阅读说明：本技术 一种测试头及其神经分离测试仪 (Test head and nerve separation tester thereof ) 是由 杜良杰 李军 刘宏炜 高峰 宫慧明 陈亮 祖力亚尔·塔力甫 马晓东 于 2021-07-28 设计创作，主要内容包括：本发明公开了一种测试头及其神经分离测试仪。所述测试头包括测试头-电极；所述测试头-电极有两对；每一对所述测试头-电极都有一个正电极和一个负电极；每一对所述测试头-电极中的一个正电极和一个负电极相远离；一对所述测试头-电极中的一个正电极和一个负电极分别与另一对所述测试头-电极中的一个正电极和一个负电极相靠近。所述神经分离测试仪包括前面所述的测试头。本发明只需要插拔一次就可以测试一道神经切口内两侧的神经,极大地方便了对神经的测试操作。可以根据不同客户的需求生产出多种测试头。有利于置入神经切口内。可确保电极的导电性能。可大大提高测试头的测试精度。可大大提高测试头的稳定性。(The invention discloses a test head and a nerve separation tester thereof. The test head comprises a test head-electrode; two pairs of said test head-electrodes; each of said test head-electrodes has a positive electrode and a negative electrode; one positive electrode and one negative electrode of each pair of said test head-electrodes being spaced apart; one positive electrode and one negative electrode of one pair of the test head-electrodes are respectively close to one positive electrode and one negative electrode of the other pair of the test head-electrodes. The nerve isolation tester comprises the test head. The invention can test the nerves at two sides in a nerve incision only by plugging and unplugging once, thereby greatly facilitating the test operation of the nerves. Various test heads can be produced according to the requirements of different customers. Is favorable for being placed into the nerve incision. The conductivity of the electrode can be ensured. The test precision of the test head can be greatly improved. The stability of the test head can be greatly improved.)

1. A test head comprising a test head-electrode (1-1), characterized in that:

two pairs of said test head-electrodes (1-1);

each pair of said test head-electrodes (1-1) having a positive electrode and a negative electrode;

one positive electrode and one negative electrode of each pair of the test head-electrodes (1-1) are far away;

one positive electrode and one negative electrode of one pair of the test head-electrodes (1-1) are respectively close to one positive electrode and one negative electrode of the other pair of the test head-electrodes (1-1).

2. The test head of claim 1, wherein:

one positive electrode of one pair of the test head-electrodes (1-1) is close to one positive electrode of the other pair of the test head-electrodes (1-1);

one negative electrode of one pair of the test head-electrodes (1-1) is close to one negative electrode of the other pair of the test head-electrodes (1-1);

alternatively, the first and second electrodes may be,

one positive electrode of one pair of the test head-electrodes (1-1) is close to one negative electrode of the other pair of the test head-electrodes (1-1);

one negative electrode of one pair of the test head-electrodes (1-1) is close to one positive electrode of the other pair of the test head-electrodes (1-1).

3. The test head of claim 1, wherein:

the shape of the test head-electrode (1-1) is a strip-shaped sheet;

the test head-electrode (1-1) is made of an electrically conductive material;

the conductive material is one of a copper material, a stainless steel material and a silver material;

one positive electrode and one negative electrode of each pair of the test head-electrodes (1-1) are parallel to each other;

two pairs of said test head-electrodes (1-1) are parallel to each other;

one positive electrode sheet surface and one negative electrode sheet surface in each pair of the test head-electrodes (1-1) are positioned in the same plane;

the ends of the same-name sides of the two pairs of test head-electrodes (1-1) are located in the same plane;

viewed in the length direction of the test head-electrode (1-1),

the two pairs of test head-electrodes (1-1) are distributed in a matrix of two rows and two columns.

4. The test head of claim 3, wherein:

the two pairs of test head-electrodes (1-1) are fixedly connected through test head-plate bodies (1-2);

the test head-plate body (1-2) is made of an insulating material;

the insulating material is one of plastic, silica gel and rubber;

the test head-plate body (1-2) is rectangular in shape;

the length of the upper side and the lower side of the test head-plate body (1-2) is greater than the length of the left side and the right side of the test head-plate body (1-2); alternatively, the first and second electrodes may be,

the length of the upper side and the lower side of the test head-plate body (1-2) is less than the length of the left side and the right side of the test head-plate body (1-2); alternatively, the first and second electrodes may be,

the length of the upper side and the lower side of the test head-plate body (1-2) is equal to the length of the left side and the right side of the test head-plate body (1-2);

the edges of the test head plate body (1-2) are all chamfered with round corners;

the two pairs of test head-electrodes (1-1) are respectively fixed on two plate surfaces of the test head-plate body (1-2);

the middle part of the upper side surface of the test head-plate body (1-2) extends upwards to form a test head-upper connecting part (1-3);

the shape of the test head-upper connecting part (1-3) is a cylinder;

a fixing structure is arranged on the side surface of the upper connecting part (1-3) of the test head;

the fixing structure is one of a clamping head, a clamping opening, a clamping ring groove and a thread;

the root of the testing head-upper connecting part (1-3) is vertical to the plate surface of the testing head-plate body (1-2) and is provided with a testing head-first wiring hole (1-5);

the top surface of the test head-upper connecting part (1-3) is provided with a test head-second wiring hole (1-6);

the test head-second wiring hole (1-6) is communicated with the test head-first wiring hole (1-5).

5. The test head of claim 4, wherein:

the test head-plate body (1-2) is a solid plate body or a hollow plate body;

in the hollow plate body, the hollow plate body is provided with a hollow plate body,

two test head-second wiring holes (1-6) are arranged;

the two testing head-second wiring holes (1-6) are positioned at two sides of the center of the top surface of the testing head-upper connecting part (1-3);

the two testing head-second wiring holes (1-6) are respectively communicated with the testing head-first wiring holes (1-5);

the center of the top surface of the test head-upper connecting part (1-3) is provided with a test head-guide hole (1-4);

the middle part of the lower side surface of the test head-plate body (1-2) is provided with a test head-guide channel (1-7);

the cross section of the test head-guide channel (1-7) is in a diamond shape;

the test head-guide channel (1-7) is communicated with the test head-guide hole (1-4);

in the solid plate body, the solid plate body is provided with a plurality of grooves,

one test head-second wiring hole (1-6);

one of said test head-second wiring holes (1-6) is located at the center of the top surface of said test head-upper connection portion (1-3);

one of the test head-second wiring holes (1-6) communicates with the test head-first wiring hole (1-5).

6. A nerve isolation tester comprising a test head (1), characterized in that:

the test head (1) is a test head according to claim 5.

7. The nerve isolation tester of claim 6, wherein:

the test head (1) with a solid plate body is connected with a control handle assembly (3);

the test head (1) with the hollow plate body is connected with the control handle assembly (3) through the incision mechanism (2).

8. The nerve isolation tester of claim 7, wherein:

the notching mechanism (2) comprises a notching mechanism-a knife (2-1), a notching mechanism-a lower shell (2-2), a notching mechanism-a spring (2-3), a notching mechanism-a toggle piece (2-4) and a notching mechanism-a retainer ring (2-5);

the incision mechanism-knife (2-1) comprises an incision mechanism-knife-head (2-1-1) and an incision mechanism-knife-rod (2-1-2);

the lower part of the incision mechanism-knife-head (2-1-1) is in a cone shape;

the upper part of the incision mechanism-knife-head (2-1-1) is in a cylinder shape;

the cross section of the incision mechanism-knife-head (2-1-1) is in a rhombus shape;

one end of the incision mechanism-knife-rod (2-1-2) is vertically and fixedly connected with the center of the upper end face of the incision mechanism-knife-head (2-1-1);

the shape of the incision mechanism-lower shell (2-2) is cylindrical;

the incision mechanism-lower shell (2-2) is provided with an incision mechanism-lower shell-cavity (2-2-1);

the shape of the incision mechanism-lower shell-cavity (2-2-1) is a cylindrical cavity;

the upper end of the incision mechanism-lower shell-cavity (2-2-1) is open;

the inner wall of the notching mechanism-lower shell (2-2) is provided with a notching mechanism-lower shell-wiring groove (2-2-3);

the notching mechanism-lower shell-wiring groove (2-2-3) is formed in two opposite inner side walls and an inner bottom wall of the notching mechanism-lower shell (2-2);

the upper part of the outer side wall of the incision mechanism-lower shell (2-2) is provided with a fixed structure to form an incision mechanism-lower shell-upper connecting part (2-2-5);

the fixing structure is one of a clamping head, a clamping opening, a clamping ring groove and a thread;

the upper end edge of the incision mechanism-lower shell (2-2) is provided with an incision mechanism-lower shell-bevel angle (2-2-6);

the lower end of the notching mechanism-lower shell (2-2) is provided with a notching mechanism-lower shell-lower connecting part (2-2-4);

the shape of the incision mechanism-lower shell-lower connecting part (2-2-4) is a cylinder;

the incision mechanism-lower shell-lower connecting part (2-2-4) and the incision mechanism-lower shell (2-2) are in smooth transition;

the center of the end face of the notching mechanism-lower shell-lower connecting part (2-2-4) is provided with a notching mechanism-lower shell-mounting hole (2-2-7);

the inner side surface of the incision mechanism, the lower shell and the mounting hole (2-2-7) is provided with a fixed structure;

the fixing structure is one of a bayonet, a clamping head, a clamping ring groove, a clamping ring and a thread;

the center of the bottom surface of the notching mechanism, the lower shell and the mounting hole (2-2-7) is provided with a notching mechanism, a lower shell and a guide hole (2-2-8);

the incision mechanism-lower shell-guide hole (2-2-8) is communicated with the incision mechanism-lower shell-cavity (2-2-1);

the edge of the end face of the incision mechanism-lower shell-lower connecting part (2-2-4) is provided with an incision mechanism-lower shell-wiring hole (2-2-9);

two incision mechanisms, two lower shells and two wiring holes (2-2-9) are arranged;

the two incision mechanism-lower shell-wiring holes (2-2-9) are communicated with the incision mechanism-lower shell-wiring grooves (2-2-3);

the side wall of the notching mechanism-lower shell (2-2) is provided with a notching mechanism-lower shell-guide groove (2-2-2);

the shape of the incision mechanism-lower shell-guide groove (2-2-2) is E-shaped or L-shaped;

the notching mechanism-shifting piece (2-4) comprises a notching mechanism-shifting piece-shifting fork (2-4-1) and a notching mechanism-shifting piece-handle (2-4-2);

the notching mechanism-shifting piece-shifting fork (2-4-1) and the notching mechanism-shifting piece-handle (2-4-2) form an integrated piece;

the shape of the notching mechanism, the poking piece and the shifting fork (2-4-1) is disc-shaped;

the diameter of the notching mechanism, the shifting piece and the shifting fork (2-4-1) is larger than the width of the notching mechanism, the lower shell and the guide groove (2-2-2);

the diameter of the notching mechanism, the shifting piece and the shifting fork (2-4-1) is larger than the maximum width of the notching mechanism, the lower shell and the guide groove (2-2-2);

the thickness of the notching mechanism, the shifting piece and the shifting fork (2-4-1) is smaller than the width of the notching mechanism, the lower shell and the guide groove (2-2-2);

the head of the notching mechanism-shifting piece-shifting fork (2-4-1) is provided with a notching mechanism-shifting piece-U-shaped groove (2-4-3);

the width of the U-shaped groove (2-4-3) of the notching mechanism-poking piece corresponds to the diameter of the knife-rod (2-1-2) of the notching mechanism;

the tail part of the incision mechanism, the poking piece and the handle (2-4-2) is a cylinder;

the two ends of the cylinder are respectively provided with a notch mechanism, a poking piece and a round angle (2-4-4);

the shape of the notch mechanism-retaining ring (2-5) is cylindrical;

the center of the end surface of the notch mechanism-retaining ring (2-5) is penetrated with a notch mechanism-retaining ring-trepanning (2-5-1);

the inner diameter of the incision mechanism, the check ring and the trepan (2-5-1) corresponds to the diameter of the incision mechanism, the cutter and the rod (2-1-2);

the side surface of the notch mechanism-check ring (2-5) is provided with a notch mechanism-check ring-thread fixing hole (2-5-2);

the incision mechanism-check ring-thread fixing hole (2-5-2) is communicated with the incision mechanism-check ring-sleeve hole (2-5-1);

the notch mechanism, the check ring and the thread fixing hole (2-5-2) are provided with a notch mechanism, a check ring and a cap-free screw (2-5-3);

the length of the cap-free screw (2-5-3) is smaller than the depth of the notch mechanism-check ring-thread fixing hole (2-5-2);

the other end of the incision mechanism-knife-rod (2-1-2) sequentially penetrates through the test head-guide hole (1-4) and the incision mechanism-lower shell-guide hole (2-2-8) from bottom to top;

two notch mechanisms, namely two check rings (2-5);

the incision mechanism-spring (2-3) and two incision mechanism-check rings (2-5) are sequentially sleeved on the incision mechanism-knife-rod (2-1-2) from top to bottom and penetrate into the incision mechanism-lower shell-cavity (2-2-1);

the notching mechanism-shifting piece-shifting fork (2-4-1) is inserted into the notching mechanism-lower shell-guide groove (2-2-2) from outside to inside and is arranged between the two notching mechanism-retaining rings (2-5);

the two notching mechanisms, namely the check rings (2-5), are fixedly connected with the notching mechanism, namely the knife-rod (2-1-2) through the notching mechanisms, the check rings and the cap-free screws (2-5-3).

9. The nerve isolation tester of claim 8, wherein:

the control handle assembly (3) comprises a control handle assembly, a rear upper shell (3-1) and a control handle assembly, a front lower shell (3-2);

the control handle assembly-rear upper shell (3-1) and the control handle assembly-front lower shell (3-2) are fixedly connected through a fixing screw;

the control handle assembly-rear upper shell (3-1) is a semi-cylindrical shell;

two control handle assemblies, namely a rear upper shell and a semi-partition plate (3-1-1), are distributed in the control handle assembly, namely the rear upper shell (3-1) along the length direction;

the two control handle assemblies, namely a rear upper shell and a semi-partition plate (3-1-1) divide the control handle assembly, namely the rear upper shell (3-1), into three parts;

the three parts are sequentially a control handle assembly, a rear upper shell, a charging unit half bin (3-1-2), a control handle assembly, a rear upper shell, a battery half bin (3-1-3) and a control handle assembly, a rear upper shell and a testing unit half bin (3-1-4) from top to bottom;

the lower part of the control handle assembly-rear upper shell (3-1) is provided with a control handle assembly-rear upper shell-lower half connecting part (3-1-5);

the shape of the control handle assembly, the rear upper shell and the lower half connecting part (3-1-5) is a semi-cylinder;

the lower half connecting part (3-1-5) of the control handle assembly, the rear upper shell and the lower half connecting part and the lower part of the control handle assembly, the rear upper shell (3-1) are in smooth transition;

the end surface of the control handle assembly-rear upper shell-lower half connecting part (3-1-5) is provided with a control handle assembly-rear upper shell-lower half connecting port (3-1-6);

the inner side wall of the control handle component, the rear upper shell and the lower half connector (3-1-6) is provided with a control handle component, a rear upper shell and a fixed structure (3-1-7);

the control handle assembly-rear upper shell-fixing structure (3-1-7) is one of a bayonet, a chuck, a half clamping ring groove, a half clamping ring and a half cylindrical surface thread;

the bottom surface of the control handle assembly, the rear upper shell and the lower half connecting port (3-1-6) and the two control handle assemblies, the rear upper shell and the half partition plate (3-1-1) are coaxially provided with a control handle assembly, a rear upper shell and a wiring half hole (3-1-8);

the upper end face of the control handle assembly-rear upper shell (3-1) is provided with a control handle assembly-rear upper shell-power switch mounting port (3-1-9) and a control handle assembly-rear upper shell-indicator lamp mounting port (3-1-10);

the control handle assembly-power switch (3-6) is arranged at the control handle assembly-rear upper shell-power switch mounting port (3-1-9);

the control handle assembly-indicator lamp (3-7) is arranged at the control handle assembly-rear upper shell-indicator lamp mounting port (3-1-10);

the section of the upper end of the control handle assembly, namely the rear upper shell (3-1), is provided with two control handle assemblies, namely the rear upper shell and a fixing hole (3-1-11);

the section of the lower end of the control handle assembly, namely the rear upper shell (3-1), is provided with two control handle assemblies, namely the rear upper shell and a fixing hole (3-1-11);

the sections of the two control handle assemblies, namely the rear upper shell and the semi-partition plate (3-1-1) are respectively provided with two control handle assemblies, namely a rear upper shell and a fixing hole (3-1-11);

the control handle assembly-the front upper shell (3-2) is a semi-cylindrical shell;

two control handle components, namely a front upper shell and a semi-partition plate (3-2-1), are distributed in the control handle component, namely the front upper shell (3-2) along the length direction;

the two control handle assemblies, namely a front upper shell and a semi-partition plate (3-2-1) divide the control handle assembly, namely the front upper shell (3-1), into three parts;

the three parts are sequentially a control handle assembly, a front upper shell, a charging unit half bin (3-2-2), a control handle assembly, a front upper shell, a battery half bin (3-2-3) and a control handle assembly, a front upper shell and a testing unit half bin (3-2-4) from top to bottom;

the lower part of the control handle assembly-front upper shell (3-2) is provided with a control handle assembly-front upper shell-lower half connecting part (3-2-5);

the shape of the control handle assembly, the front upper shell and the lower half connecting part (3-2-5) is a semi-cylinder;

the connecting part (3-2-5) of the control handle assembly, the front upper shell and the lower half is in smooth transition with the lower part of the control handle assembly, the front upper shell (3-2);

the end surface of the connecting part (3-2-5) of the control handle assembly, the front upper shell and the lower half is provided with a connecting port (3-2-6) of the control handle assembly, the front upper shell and the lower half;

the inner side wall of the control handle component-front upper shell-lower half connecting port (3-2-6) is provided with a control handle component-front lower shell-fixing structure (3-2-7);

the control handle assembly-front lower shell-fixing structure (3-2-7) is one of a bayonet, a chuck, a half-snap ring groove, a half-snap ring and a half-cylindrical surface thread;

the bottom surface of the control handle assembly, the front upper shell and the lower half connecting port (3-2-6) and the two control handle assemblies, the front upper shell and the half partition plate (3-2-1) are coaxially provided with a control handle assembly, a front upper shell and a wiring half hole (3-2-8);

the lower part of the control handle assembly, namely the front upper shell (3-2), is provided with a control handle assembly, namely a front lower shell, and a test switch mounting port (3-2-9);

the control handle assembly-test switch (3-3) is arranged at the control handle assembly-front lower shell-test switch mounting port (3-2-9);

the middle part of the control handle assembly, the front upper shell (3-2) is provided with a control handle assembly, a front lower shell and a display screen module mounting port (3-2-10);

the control handle assembly-display screen module (3-4) is arranged at the control handle assembly-front lower shell-display screen module mounting port (3-2-10);

the upper end face of the control handle assembly, namely the front upper shell (3-2), is provided with a control handle assembly, namely the front lower shell, and a USB socket mounting port (3-2-11);

the control handle assembly-USB socket (3-5) is arranged at the control handle assembly-front lower shell-USB socket mounting port (3-2-11);

the section of the upper end of the control handle assembly, namely the front upper shell (3-2), is provided with two control handle assemblies, namely the front upper shell and a threaded fixing hole (3-2-12);

the section of the lower end of the control handle assembly, namely the front upper shell (3-2), is provided with two control handle assemblies, namely the front upper shell and a thread fixing hole (3-2-12);

the section of the two control handle assemblies, namely the front upper shell and the semi-partition plate (3-2-1), is respectively provided with two control handle assemblies, namely the front upper shell and the thread fixing hole (3-2-12);

the control handle assembly-rear upper shell (3-1) and the control handle assembly-front lower shell (3-2) are oppositely buckled;

the control handle assembly, the rear upper shell, the charging unit half bin (3-1-2) and the control handle assembly, the front lower shell and the charging unit half bin (3-2-2) form a charging unit bin;

a control handle assembly-a charging unit (3-9) is arranged in the charging unit bin;

the control handle assembly, the rear upper shell, the battery half bin (3-1-3) and the control handle assembly, the front lower shell and the battery half bin (3-2-3) form a battery bin;

a control handle assembly-battery (3-8) is arranged in the battery bin;

the control handle assembly, the rear upper shell, the testing unit half bin (3-1-4) and the control handle assembly, the front lower shell and the testing unit half bin (3-2-4) form a testing unit bin;

the test unit bin is provided with a control handle assembly-test unit (3-10).

10. The nerve isolation tester of claim 9, wherein:

the control handle assembly-battery (3-8) is electrically connected to the input of the control handle assembly-test unit (3-10);

the output end of the control handle assembly-testing unit (3-10) is electrically connected with the input end of the control handle assembly-testing switch (3-3);

the output end of the control handle assembly-test switch (3-3) is electrically connected with the test head-electrode (1-1);

the control handle assembly-display screen module (3-4) is electrically connected between the input end of the control handle assembly-test switch (3-3) and the output end of the control handle assembly-test unit (3-10);

a control handle assembly-power switch (3-6) is connected in series between the positive electrode of the control handle assembly-battery (3-8) and the positive electrode of the control handle assembly-testing unit (3-10);

the control handle assembly-indicator lamp (3-7) is connected in series between the control handle assembly-power switch (3-6) and the anode of the control handle assembly-battery (3-8);

the input end of the control handle assembly-testing unit (3-10) is electrically connected with the output end of the control handle assembly-charging unit (3-9);

the positive electrode of the control handle assembly-charging unit (3-9) is electrically connected between the control handle assembly-power switch (3-6) and the control handle assembly-indicator light (3-7);

the input end of the control handle assembly-charging unit (3-9) is electrically connected with the output end of the control handle assembly-USB socket (3-5);

the control handle assembly-indicator light (3-7) is a light emitting diode;

the control handle assembly-power switch (3-6) is a push-button switch;

the control handle assembly-display screen module (3-4) is a four-foot display screen module or a three-foot display screen module;

the control handle assembly-test switch (3-3) is a duplex synchronous double-control three-position switch or a duplex synchronous double-control two-position switch or a duplex synchronous single-control two-position switch;

the duplex synchronous double-control three-position switch is formed by synchronously connecting control keys of two double-control three-position switches;

the duplex synchronous double-control two-position switch is formed by synchronously connecting control keys of two double-control two-position switches;

the duplex synchronous single-control two-position switch is provided with four single-control two-position switches;

the four single-control two-position switches are averagely divided into two groups;

the control keys of the two single-control two-position switches in each group are synchronously connected;

the control handle assembly-battery (3-8) is a rechargeable lithium battery.

Technical Field

The invention relates to a test component and a test device thereof, in particular to a test head and a nerve separation tester thereof.

Background

In the prior art, a test head of a nerve isolation tester is a pair of electrodes, each of which includes a positive electrode and a negative electrode, and both the positive electrode and the negative electrode are in the shape of an "L" hook. When in test, firstly, the nerve bundle is cut along the length direction to form a nerve incision, then a part of the nerve bundle is picked up by using instruments such as a hemostatic forceps and the like, then two hook-shaped electrodes are arranged under the nerve bundle in the adjusted direction, and the nerve on one side surface is electrified and tested; then, another part of nerve bundle is picked up by using instruments such as a hemostatic forceps and the like, and then the two hook-shaped electrodes are placed under the nerve bundle for stimulation, the positions of the hemostatic forceps and the stimulator are changed once every nerve test, which brings great inconvenience to the nerve test.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a test head, which can test nerves at two sides in a nerve incision only by plugging and unplugging once, thereby greatly facilitating the test operation of the nerves.

The second technical problem to be solved by the invention is to provide a nerve isolation tester, the test head of the nerve isolation tester can test the nerves on two sides in a nerve incision only by plugging and unplugging once, and the test operation of the nerves is greatly facilitated.

In order to solve the first technical problem mentioned above, with regard to the test element, the present solution provides a test head, comprising a test head-electrode,

two pairs of said test head-electrodes;

each of said test head-electrodes has a positive electrode and a negative electrode;

one positive electrode and one negative electrode of each pair of said test head-electrodes being spaced apart;

one positive electrode and one negative electrode of one pair of the test head-electrodes are respectively close to one positive electrode and one negative electrode of the other pair of the test head-electrodes.

Various improvements of the present invention are as follows.

One positive electrode of one pair of the test head-electrodes is adjacent to one positive electrode of the other pair of the test head-electrodes;

one negative electrode of one pair of the test head-electrodes is adjacent to one negative electrode of the other pair of the test head-electrodes;

alternatively, the first and second electrodes may be,

one positive electrode of one pair of the test head-electrodes is close to one negative electrode of the other pair of the test head-electrodes;

one negative electrode of one pair of the test head-electrodes is in close proximity to one positive electrode of the other pair of the test head-electrodes.

The shape of the test head-electrode is a strip-shaped sheet;

the test head-electrode is made of a conductive material;

the conductive material is one of a copper material, a stainless steel material and a silver material;

one positive electrode and one negative electrode of each pair of said test head-electrodes are parallel to each other;

two pairs of said test head-electrodes are parallel to each other;

one positive electrode sheet surface and one negative electrode sheet surface in each pair of the test head-electrodes are positioned in the same plane;

the ends of the same-name side of the two pairs of test head-electrodes are positioned in the same plane;

viewed in the direction of the length of the test head-electrode,

the two pairs of test head-electrodes are distributed in a matrix of two rows and two columns.

The two pairs of test head-electrodes are fixedly connected through the test head-plate body;

the test head-plate body is made of an insulating material;

the insulating material is one of plastic, silica gel and rubber;

the test head plate body is rectangular;

the length of the upper side and the lower side of the test head-plate body is greater than the length of the left side and the right side of the test head-plate body; alternatively, the first and second electrodes may be,

the length of the upper side and the lower side of the test head-plate body is less than the length of the left side and the right side of the test head-plate body; alternatively, the first and second electrodes may be,

the length of the upper side and the lower side of the test head-plate body is equal to the length of the left side and the right side of the test head-plate body;

the edges of the test head plate body are all chamfered with fillets;

the two pairs of test head-electrodes are respectively fixed on two plate surfaces of the test head-plate body;

the middle part of the upper side surface of the test head-plate body extends upwards to form a test head-upper connecting part;

the shape of the upper connecting part of the test head is a cylinder;

a fixing structure is arranged on the side surface of the upper connecting part of the test head;

the fixing structure is one of a clamping head, a clamping opening, a clamping ring groove and a thread;

the root of the test head-upper connecting part is vertical to the plate surface of the test head-plate body and is provided with a test head-first wiring hole;

the top surface of the test head-upper connecting part is provided with a test head-second wiring hole;

the test head-second wiring hole is communicated with the test head-first wiring hole.

The test head-plate body is a solid plate body or a hollow plate body;

in the hollow plate body, the hollow plate body is provided with a hollow plate body,

two test head-second wiring holes are formed;

the two test head-second wiring holes are positioned on two sides of the center of the top surface of the test head-upper connecting part;

the two test head-second wiring holes are respectively communicated with the test head-first wiring hole;

the center of the top surface of the test head-upper connecting part is provided with a test head-guide hole;

the middle part of the lower side surface of the test head-plate body is provided with a test head-guide channel;

the cross section of the test head-guide channel is in a diamond shape;

the test head-guide channel is communicated with the test head-guide hole;

in the solid plate body, the solid plate body is provided with a plurality of grooves,

one test head-second wiring hole is formed;

one of said test head-second wire holes is located at the center of the top surface of said test head-upper connection portion;

one of the test head-second wiring holes communicates with the test head-first wiring hole.

Compared with the prior art, the test head has the following beneficial effects.

1. The technical scheme adopts two pairs of the test head-electrodes; each of said test head-electrodes has a positive electrode and a negative electrode; one positive electrode and one negative electrode of each pair of said test head-electrodes being spaced apart; the technical means that one positive electrode and one negative electrode in one pair of the testing head-electrodes are respectively close to one positive electrode and one negative electrode in the other pair of the testing head-electrodes is adopted, so that the testing head can test nerves on two sides in one nerve cut only by plugging and unplugging once, and the testing operation on the nerves is greatly facilitated.

2. In the technical scheme, one positive electrode in one pair of testing head-electrodes is close to one positive electrode in the other pair of testing head-electrodes; one negative electrode of one pair of the test head-electrodes is adjacent to one negative electrode of the other pair of the test head-electrodes; alternatively, one positive electrode of one pair of said test head-electrodes is in close proximity to one negative electrode of the other pair of said test head-electrodes; the negative electrode of one pair of the test head-electrodes is close to the positive electrode of the other pair of the test head-electrodes, so that various test heads can be produced according to the requirements of different customers.

3. The technical scheme adopts the technical means that the shape of the test head-electrode is a strip-shaped sheet, so that the test head-electrode is beneficial to being placed in a nerve incision.

4. The technical scheme adopts the technical means that the test head-electrode is made of conductive materials, so that the conductivity of the electrode can be ensured.

5. According to the technical scheme, as the technical means that the conductive material is one of a copper material, a stainless steel material and a silver material is adopted, various test heads can be produced according to actual conditions.

6. In the technical scheme, one positive electrode and one negative electrode in each pair of testing head-electrodes are parallel to each other; two pairs of said test head-electrodes are parallel to each other; one positive electrode sheet surface and one negative electrode sheet surface in each pair of the test head-electrodes are positioned in the same plane; the ends of the same-name side of the two pairs of test head-electrodes are positioned in the same plane; and when viewed from the length direction of the test head-electrodes, the two pairs of test head-electrodes are distributed in a matrix of two rows and two columns, so that the test precision of the test head can be greatly improved.

7. The technical scheme adopts the technical means that the two pairs of test head-electrodes are fixedly connected through the test head-plate body, so that the stability of the test head can be greatly improved.

8. The technical means that the test head-plate body is made of insulating materials is adopted, so that the insulation between the electrodes can be ensured.

9. According to the technical scheme, as the technical means that the insulating material is one of plastic, silica gel and rubber is adopted, various test heads can be produced according to actual conditions.

10. The technical scheme adopts the test head-plate body which is rectangular in shape; the length of the upper side and the lower side of the test head-plate body is greater than the length of the left side and the right side of the test head-plate body; or the length of the upper side and the lower side of the test head-plate body is smaller than the length of the left side and the right side of the test head-plate body; or the length of the upper side and the lower side of the test head-plate body is equal to the length of the left side and the right side of the test head-plate body, so that various test heads can be produced according to the requirements of different patients.

11. In the technical scheme, the edges of the test head-plate body are all chamfered with round corners; the two pairs of the test head-electrodes are respectively fixed on the two plate surfaces of the test head-plate body, so that the test head can be prevented from excessively damaging nerve tissues.

12. In the technical scheme, the middle part of the upper side surface of the test head-plate body extends upwards to form a test head-upper connecting part; the shape of the upper connecting part of the test head is a cylinder; a fixing structure is arranged on the side surface of the upper connecting part of the test head; the fixing structure is one of a clamping head, a clamping opening, a clamping ring groove and a thread; the root of the test head-upper connecting part is vertical to the plate surface of the test head-plate body and is provided with a test head-first wiring hole; the top surface of the test head-upper connecting part is provided with a test head-second wiring hole; the technical means that the test head-second wiring hole is communicated with the test head-first wiring hole is not only beneficial to the connection of the test head and the control handle assembly, but also beneficial to the electric connection of the electrode and the test unit.

13. According to the technical scheme, due to the adoption of the technical means that the test head-plate body is a solid plate body or a hollow plate body, various test heads can be produced according to actual conditions.

14. In the technical scheme, two test head-second wiring holes are arranged in the hollow plate body; the two test head-second wiring holes are positioned on two sides of the center of the top surface of the test head-upper connecting part; the two test head-second wiring holes are respectively communicated with the test head-first wiring hole; the center of the top surface of the test head-upper connecting part is provided with a test head-guide hole; the middle part of the lower side surface of the test head-plate body is provided with a test head-guide channel; the cross section of the test head-guide channel is in a diamond shape; the technical means that the test head-guide channel is communicated with the test head-guide hole enables the cutter head to penetrate through the test head to cut nerve bundles in a reciprocating mode and to be placed in the guide channel.

15. In the technical scheme, one test head-second wiring hole is arranged in the solid plate body; one of said test head-second wire holes is located at the center of the top surface of said test head-upper connection portion; the technical means that one test head-second wiring hole is communicated with the test head-first wiring hole is adopted, so that the test head can be made thinner, and the test head can be more easily placed in the nerve incision.

In order to solve the second technical problem, the present invention provides a neural isolation tester, including a test head,

the test head is the test head described previously.

Various improvements of the present invention are as follows.

The test head with the solid plate body is connected with the control handle assembly;

the test head with the hollow plate body is connected with the control handle assembly through a notching mechanism.

The notching mechanism comprises a notching mechanism, a knife, a notching mechanism, a lower shell, a notching mechanism, a spring, a notching mechanism, a shifting piece and a notching mechanism, and a check ring;

the incision mechanism-knife comprises an incision mechanism-knife-head and an incision mechanism-knife-rod;

the lower part of the incision mechanism-knife-head is in a cone shape;

the upper part of the incision mechanism, the cutter head, is in a cylinder shape;

the cross section of the incision mechanism, the cutter and the head is in a diamond shape;

one end of the incision mechanism-knife-rod is vertically and fixedly connected with the center of the upper end face of the incision mechanism-knife-head;

the shape of the notch mechanism-lower shell is cylindrical;

the incision mechanism-lower housing has an incision mechanism-lower housing-cavity;

the shape of the incision mechanism-lower shell-cavity is a cylindrical cavity;

the upper end of the incision mechanism-lower shell-cavity is open;

the inner wall of the notching mechanism-lower shell is provided with a notching mechanism-lower shell-wiring groove;

the incision mechanism-lower shell-wiring groove is formed in two opposite inner side walls and inner bottom wall of the incision mechanism-lower shell;

the upper part of the outer side wall of the notching mechanism-lower shell is provided with a fixed structure to form a notching mechanism-lower shell-upper connecting part;

the fixing structure is one of a clamping head, a clamping opening, a clamping ring groove and a thread;

the upper end edge of the notching mechanism-lower shell is provided with a notching mechanism-lower shell-oblique angle;

the lower end of the notching mechanism-lower shell is provided with a notching mechanism-lower shell-lower connecting part;

the shape of the notch mechanism-lower shell-lower connecting part is a cylinder;

the incision mechanism-lower shell-lower connecting part and the incision mechanism-lower shell are in smooth transition;

the center of the end surface of the notch mechanism-lower shell-lower connecting part is provided with a notch mechanism-lower shell-mounting hole;

a fixing structure is arranged on the inner side surface of the notch mechanism, the lower shell and the mounting hole;

the fixing structure is one of a bayonet, a clamping head, a clamping ring groove, a clamping ring and a thread;

the center of the bottom surface of the notch mechanism, the lower shell and the mounting hole is provided with a notch mechanism, the lower shell and a guide hole;

the incision mechanism-lower shell-guide hole is communicated with the incision mechanism-lower shell-cavity;

the edge of the end face of the notch mechanism-lower shell-lower connecting part is provided with a notch mechanism-lower shell-wiring hole;

two incision mechanisms, two lower shells and two wiring holes are arranged;

the two incision mechanisms, the lower shells and the wiring holes are communicated with the incision mechanisms, the lower shells and the wiring grooves;

the side wall of the notching mechanism-lower shell is provided with a notching mechanism-lower shell-guide groove;

the shape of the incision mechanism-lower shell-guide groove is E-shaped or L-shaped (seen in the incision mechanism-lower shell-cavity);

the notching mechanism-poking piece comprises a notching mechanism-poking piece-shifting fork and a notching mechanism-poking piece-handle;

the notching mechanism, the shifting piece, the shifting fork and the notching mechanism, the shifting piece and the handle form an integrated piece;

the shape of the notch mechanism, the poking piece and the shifting fork is disc-shaped;

the diameter of the notching mechanism, the poking piece and the shifting fork is larger than the width of the notching mechanism, the lower shell and the guide groove;

the diameter of the notching mechanism, the poking piece and the shifting fork is larger than the maximum width of the notching mechanism, the lower shell and the guide groove;

the thickness of the notching mechanism, the shifting piece and the shifting fork is smaller than the width of the notching mechanism, the lower shell and the guide groove;

the head of the notching mechanism, the shifting piece and the shifting fork is provided with a notching mechanism, a shifting piece and a U-shaped groove;

the width of the incision mechanism-poking piece-U-shaped groove corresponds to the diameter of the incision mechanism-knife-bar;

the tail part of the incision mechanism, the poking piece and the handle is a cylinder;

the two ends of the cylinder are respectively provided with a notch mechanism, a poking piece and a round angle;

the shape of the notch mechanism-check ring is cylindrical;

the center of the end surface of the notch mechanism-the retainer ring is communicated with a notch mechanism-the retainer ring-a sleeve hole;

the inner diameter of the notching mechanism, the retainer ring and the trepanning corresponds to the diameter of the notching mechanism, the cutter rod and the rod;

the side surface of the notch mechanism-the check ring is provided with a notch mechanism-the check ring-a threaded fixing hole;

the notching mechanism, the retainer ring and the threaded fixing hole are communicated with the notching mechanism, the retainer ring and the sleeve hole;

the notching mechanism, the retainer ring and the thread fixing hole are provided with a notching mechanism, a retainer ring and a cap-free screw;

the length of the cap-free screw is smaller than the depth of the notch mechanism, the check ring and the thread fixing hole;

the other end of the incision mechanism-knife-rod sequentially penetrates through the test head-guide hole and the incision mechanism-lower shell-guide hole from bottom to top;

two notch mechanisms and two check rings are arranged;

the notching mechanism-spring and the two notching mechanism-check rings are sequentially sleeved on the notching mechanism-knife-rod from top to bottom and deeply penetrate into the notching mechanism-lower shell-cavity;

the notching mechanism, the shifting piece and the shifting fork are inserted into the notching mechanism, the lower shell and the guide groove from outside to inside and are arranged between the two notching mechanisms and the retaining rings;

the two notching mechanisms, the check rings, are fixedly connected with the notching mechanisms, the knives and the rods through the notching mechanisms, the check rings and the cap-free screws respectively.

The control handle assembly comprises a control handle assembly, a rear upper shell and a control handle assembly, a front lower shell;

the control handle assembly-rear upper shell and the control handle assembly-front lower shell are fixedly connected through fixing screws;

the control handle assembly-rear upper shell is a semi-cylindrical shell;

two control handle assemblies, namely a rear upper shell and a semi-partition plate, are distributed in the control handle assembly, namely the rear upper shell along the length direction;

the two control handle assemblies, namely the rear upper shell and the semi-partition plate divide the control handle assembly and the rear upper shell into three parts;

the three parts are sequentially a control handle assembly, a rear upper shell, a charging unit half bin, a control handle assembly, a rear upper shell, a battery half bin and a control handle assembly, a rear upper shell and a testing unit half bin from top to bottom;

the lower part of the control handle assembly-rear upper shell is provided with a control handle assembly-rear upper shell-lower half connecting part;

the shape of the connecting part of the control handle assembly, the rear upper shell and the lower half is a semi-cylinder;

the connecting part of the control handle assembly, the rear upper shell and the lower half part and the lower part of the control handle assembly and the rear upper shell are in smooth transition;

the end surface of the connecting part of the control handle assembly, the rear upper shell and the lower half is provided with a connecting port of the control handle assembly, the rear upper shell and the lower half;

the inner side wall of the control handle assembly, the rear upper shell and the lower half connecting port is provided with a control handle assembly, a rear upper shell and a fixed structure;

the control handle assembly-rear upper shell-fixing structure is one of a bayonet, a chuck, a half clamping ring groove, a half clamping ring and a half cylindrical surface thread;

the bottom surface of the control handle assembly, the rear upper shell and the lower half connecting port and the two control handle assemblies, the rear upper shell and the semi-partition plate are coaxially provided with a control handle assembly, a rear upper shell and a wiring semi-hole;

the upper end face of the control handle assembly-rear upper shell is provided with a control handle assembly-rear upper shell-power switch mounting port and a control handle assembly-rear upper shell-indicator lamp mounting port;

the control handle assembly-power switch;

the control handle assembly-indicator lamp is arranged at the control handle assembly-rear upper shell-indicator lamp mounting port;

the section of the upper end of the control handle assembly, namely the rear upper shell, is provided with two control handle assemblies, namely a rear upper shell and a fixing hole;

the lower end section of the control handle assembly-rear upper shell is provided with two control handle assemblies-rear upper shell-fixing holes;

the sections of the two control handle assemblies, the rear upper shell and the semi-partition plate are respectively provided with two control handle assemblies, the rear upper shell and a fixing hole;

the control handle assembly-the front upper shell is a semi-cylindrical shell;

two control handle assemblies, namely a front upper shell and a semi-partition plate, are distributed in the control handle assembly-front upper shell along the length direction;

the two control handle assemblies, namely the front upper shell and the semi-partition plate divide the control handle assembly, namely the front upper shell into three parts;

the three parts are sequentially a control handle assembly, a front upper shell, a charging unit half bin, a control handle assembly, a front upper shell, a battery half bin and a control handle assembly, a front upper shell and a testing unit half bin from top to bottom;

the lower part of the control handle assembly-front upper shell is provided with a control handle assembly-front upper shell-lower half connecting part;

the shape of the connecting part of the control handle assembly, the front upper shell and the lower half is a semi-cylinder;

the connecting part of the control handle assembly, the front upper shell and the lower half part and the lower part of the control handle assembly and the front upper shell are in smooth transition;

the end surface of the connecting part of the control handle assembly, the front upper shell and the lower half is provided with a connecting port of the control handle assembly, the front upper shell and the lower half;

the inner side wall of the control handle assembly, the front upper shell and the lower half connecting port is provided with a control handle assembly, a front lower shell and a fixed structure;

the control handle assembly-front lower shell-fixing structure is one of a bayonet, a chuck, a half-snap ring groove, a half-snap ring and a half-cylindrical surface thread;

the bottom surface of the control handle assembly, the front upper shell and the lower half connecting port and the two control handle assemblies, the front upper shell and the semi-partition plate are coaxially provided with a control handle assembly, a front upper shell and a wiring semi-hole;

the lower part of the control handle assembly, the front upper shell and the test switch mounting port are formed in the lower part of the control handle assembly, the front lower shell and the test switch mounting port;

the control handle assembly-test switch;

the middle part of the control handle assembly, the front upper shell is provided with a control handle assembly, a front lower shell and a display screen module mounting port;

the control handle assembly-display screen module-display;

the upper end face of the control handle assembly-front upper shell is provided with a control handle assembly-front lower shell-USB socket mounting port;

the control handle assembly-USB socket is arranged at the control handle assembly-front lower shell-USB socket mounting port;

the section of the upper end of the control handle assembly, namely the front upper shell, is provided with two control handle assemblies, namely a front upper shell and a threaded fixing hole;

the section of the lower end of the control handle assembly, namely the front upper shell, is provided with two control handle assemblies, namely the front upper shell and a threaded fixing hole;

the sections of the two control handle assemblies, the front upper shell and the semi-partition plate are respectively provided with two control handle assemblies, the front upper shell and a thread fixing hole;

the control handle assembly-rear upper shell and the control handle assembly-front lower shell are oppositely buckled;

the control handle assembly, the rear upper shell, the charging unit half bin and the control handle assembly, the front lower shell and the charging unit half bin form a charging unit bin;

a control handle assembly-a charging unit is arranged in the charging unit bin;

the control handle assembly, the rear upper shell, the battery half bin and the control handle assembly, the front lower shell and the battery half bin form a battery bin;

a control handle assembly-battery is arranged in the battery bin;

the control handle assembly, the rear upper shell, the testing unit half bin and the control handle assembly, the front lower shell and the testing unit half bin form a testing unit bin;

the test unit bin is provided with a control handle assembly and a test unit.

The control handle assembly-battery is electrically connected to the input end of the control handle assembly-test unit;

the output end of the control handle assembly-test unit is electrically connected with the input end of the control handle assembly-test switch;

the output end of the control handle assembly-test switch is electrically connected with the test head-electrode;

the control handle assembly-display screen module is electrically connected between the input end of the control handle assembly-test switch and the output end of the control handle assembly-test unit;

a control handle assembly-power switch is connected in series between the positive electrode of the control handle assembly-battery and the positive electrode of the control handle assembly-testing unit;

the control handle assembly-indicator light is connected in series between the control handle assembly-power switch and the positive pole of the control handle assembly-battery;

the input end of the control handle assembly-testing unit is electrically connected with the output end of the control handle assembly-charging unit;

the positive electrode of the control handle assembly-charging unit is electrically connected between the control handle assembly-power switch and the control handle assembly-indicator light;

the input end of the control handle assembly-charging unit is electrically connected with the output end of the control handle assembly-USB socket;

the control handle assembly-indicator light is a light emitting diode;

the control handle assembly-power switch is a push-button switch;

the control handle assembly-display screen module is a four-foot display screen module or a three-foot display screen module;

the control handle assembly-test switch is a duplex synchronous double-control three-position switch or a duplex synchronous double-control two-position switch or a duplex synchronous single-control two-position switch;

the duplex synchronous double-control three-position switch is formed by synchronously connecting control keys of two double-control three-position switches;

the duplex synchronous double-control two-position switch is formed by synchronously connecting control keys of two double-control two-position switches;

the duplex synchronous single-control two-position switch is provided with four single-control two-position switches;

the four single-control two-position switches are averagely divided into two groups;

the control keys of the two single-control two-position switches in each group are synchronously connected;

the control handle assembly-battery is a rechargeable lithium battery.

Compared with the prior art, the nerve separation tester has the following beneficial effects.

1. According to the technical scheme, the nerve separation tester comprises the test head, and the test head is the technical means of the test head, so that the test head of the nerve separation tester can test nerves on two sides in a nerve incision only by plugging and unplugging once, and great convenience is brought to test operation of the nerves.

2. According to the technical scheme, the technical means that the test head with the solid plate body is connected with the control handle assembly is adopted, so that the test head can be made into a thin test head and can be placed into a nerve incision more easily.

3. According to the technical scheme, the technical means that the test head with the hollow plate body is connected with the control handle assembly through the incision mechanism is adopted, so that continuous operation of nerve incision and test can be realized.

4. The technical scheme adopts the technical means that the notching mechanism comprises a notching mechanism-knife, a notching mechanism-lower shell, a notching mechanism-spring, a notching mechanism-toggle piece and a notching mechanism-retainer ring, so the notching mechanism has a simple structure.

5. The technical scheme is that the incision mechanism-knife comprises an incision mechanism-knife-head and an incision mechanism-knife-rod; the lower part of the incision mechanism-knife-head is in a cone shape; the upper part of the incision mechanism, the cutter head, is in a cylinder shape; the cross section of the incision mechanism, the knife and the head is in a diamond shape, so that the knife head can cut nerve bundles in a reciprocating manner.

6. In the technical scheme, one end of the incision mechanism, the knife and the rod is vertically and fixedly connected with the center of the upper end surface of the incision mechanism, the knife and the head; the notch mechanism-lower shell is cylindrical, so that the installation is facilitated.

7. The technical proposal adopts the incision mechanism-the lower shell is provided with an incision mechanism-the lower shell-a cavity; the shape of the incision mechanism-lower shell-cavity is a cylindrical cavity; the upper end of the incision mechanism-lower shell-cavity is open; the inner wall of the notching mechanism-lower shell is provided with a notching mechanism-lower shell-wiring groove; the incision mechanism-lower shell-wiring groove is formed in two opposite inner side walls and inner bottom wall of the incision mechanism-lower shell; the upper part of the outer side wall of the notching mechanism-lower shell is provided with a fixed structure to form a notching mechanism-lower shell-upper connecting part; the fixing structure is one of a clamping head, a clamping opening, a clamping ring groove and a thread; the upper end edge of the notching mechanism-lower shell is provided with a notching mechanism-lower shell-oblique angle; the lower end of the notching mechanism-lower shell is provided with a notching mechanism-lower shell-lower connecting part; the shape of the notch mechanism-lower shell-lower connecting part is a cylinder; the incision mechanism-lower shell-lower connecting part and the incision mechanism-lower shell are in smooth transition; the center of the end surface of the notch mechanism-lower shell-lower connecting part is provided with a notch mechanism-lower shell-mounting hole; a fixing structure is arranged on the inner side surface of the notch mechanism, the lower shell and the mounting hole; the fixing structure is one of a bayonet, a clamping head, a clamping ring groove, a clamping ring and a thread; the center of the bottom surface of the notch mechanism, the lower shell and the mounting hole is provided with a notch mechanism, the lower shell and a guide hole; the incision mechanism-lower shell-guide hole is communicated with the incision mechanism-lower shell-cavity; the edge of the end face of the notch mechanism-lower shell-lower connecting part is provided with a notch mechanism-lower shell-wiring hole; two incision mechanisms, two lower shells and two wiring holes are arranged; the two incision mechanisms, the lower shells and the wiring holes are communicated with the incision mechanisms, the lower shells and the wiring grooves; the side wall of the notching mechanism-lower shell is provided with a notching mechanism-lower shell-guide groove; the incision mechanism, the lower shell and the guide groove are in an E-shaped or L-shaped technical means, so that the incision mechanism, the lower shell and the guide groove are not only favorable for installation, but also favorable for movement and positioning of a cutter head and more favorable for protecting a lead.

8. The technical scheme adopts the incision mechanism-the poking piece comprises an incision mechanism-a poking piece-a shifting fork and an incision mechanism-a poking piece-a handle; the notching mechanism, the shifting piece, the shifting fork and the notching mechanism, the shifting piece and the handle form an integrated piece; the shape of the notch mechanism, the poking piece and the shifting fork is disc-shaped; the diameter of the notching mechanism, the poking piece and the shifting fork is larger than the width of the notching mechanism, the lower shell and the guide groove; the diameter of the notching mechanism, the poking piece and the shifting fork is larger than the maximum width of the notching mechanism, the lower shell and the guide groove; the thickness of the notching mechanism, the shifting piece and the shifting fork is smaller than the width of the notching mechanism, the lower shell and the guide groove; the head of the notching mechanism, the shifting piece and the shifting fork is provided with a notching mechanism, a shifting piece and a U-shaped groove; the width of the incision mechanism-poking piece-U-shaped groove corresponds to the diameter of the incision mechanism-knife-bar; the tail part of the incision mechanism, the poking piece and the handle is a cylinder; the technical means of a notch mechanism, a shifting piece and a round angle are respectively inverted at the two ends of the cylinder, so that the mounting of the shifting piece is facilitated, the shifting piece is prevented from falling off, and the finger of a medical worker is prevented from being damaged by the shifting piece.

9. The technical proposal adopts the incision mechanism-the retainer ring is cylindrical; the center of the end surface of the notch mechanism-the retainer ring is communicated with a notch mechanism-the retainer ring-a sleeve hole; the inner diameter of the notching mechanism, the retainer ring and the trepanning corresponds to the diameter of the notching mechanism, the cutter rod and the rod; the side surface of the notch mechanism-the check ring is provided with a notch mechanism-the check ring-a threaded fixing hole; the notching mechanism, the retainer ring and the threaded fixing hole are communicated with the notching mechanism, the retainer ring and the sleeve hole; the notching mechanism, the retainer ring and the thread fixing hole are provided with a notching mechanism, a retainer ring and a cap-free screw; the length of the cap-free screw is smaller than the depth of the notch mechanism, the retainer ring and the thread fixing hole, so that the cap-free screw is not only favorable for the fixed connection of the retainer ring and the cutter bar, but also favorable for preventing the screw from touching the inner wall of the lower shell.

10. According to the technical scheme, the other end of the notching mechanism, namely the knife and the rod sequentially penetrates through the testing head, the guide hole and the notching mechanism, the lower shell and the guide hole from bottom to top; two notch mechanisms and two check rings are arranged; the notching mechanism-spring and the two notching mechanism-check rings are sequentially sleeved on the notching mechanism-knife-rod from top to bottom and deeply penetrate into the notching mechanism-lower shell-cavity; the notching mechanism, the shifting piece and the shifting fork are inserted into the notching mechanism, the lower shell and the guide groove from outside to inside and are arranged between the two notching mechanisms and the retaining rings; the two notching mechanisms, the check rings, are fixedly connected with the notching mechanisms, the cutter and the rod through the notching mechanisms, the check rings and the cap-free screws respectively, so the installation is quick and convenient.

11. The technical proposal adopts the technical proposal that the control handle component comprises a control handle component, a rear upper shell and a control handle component, a front lower shell; the control handle assembly-rear upper shell and the control handle assembly-front lower shell are fixedly connected through the fixing screws, so that the assembly is facilitated.

12. The technical proposal adopts the control handle component, namely the rear upper shell is a semi-cylindrical shell; two control handle assemblies, namely a rear upper shell and a semi-partition plate, are distributed in the control handle assembly, namely the rear upper shell along the length direction; the two control handle assemblies, namely the rear upper shell and the semi-partition plate divide the control handle assembly and the rear upper shell into three parts; the three parts are sequentially a control handle assembly, a rear upper shell, a charging unit half bin, a control handle assembly, a rear upper shell, a battery half bin and a control handle assembly, a rear upper shell and a testing unit half bin from top to bottom; the lower part of the control handle assembly-rear upper shell is provided with a control handle assembly-rear upper shell-lower half connecting part; the shape of the connecting part of the control handle assembly, the rear upper shell and the lower half is a semi-cylinder; the connecting part of the control handle assembly, the rear upper shell and the lower half part and the lower part of the control handle assembly and the rear upper shell are in smooth transition; the end surface of the connecting part of the control handle assembly, the rear upper shell and the lower half is provided with a connecting port of the control handle assembly, the rear upper shell and the lower half; the inner side wall of the control handle assembly, the rear upper shell and the lower half connecting port is provided with a control handle assembly, a rear upper shell and a fixed structure; the control handle assembly-rear upper shell-fixing structure is one of a bayonet, a chuck, a half clamping ring groove, a half clamping ring and a half cylindrical surface thread; the bottom surface of the control handle assembly, the rear upper shell and the lower half connecting port and the two control handle assemblies, the rear upper shell and the semi-partition plate are coaxially provided with a control handle assembly, a rear upper shell and a wiring semi-hole; the upper end face of the control handle assembly-rear upper shell is provided with a control handle assembly-rear upper shell-power switch mounting port and a control handle assembly-rear upper shell-indicator lamp mounting port; the control handle assembly-power switch; the control handle assembly-indicator lamp is arranged at the control handle assembly-rear upper shell-indicator lamp mounting port; the section of the upper end of the control handle assembly, namely the rear upper shell, is provided with two control handle assemblies, namely a rear upper shell and a fixing hole; the lower end section of the control handle assembly-rear upper shell is provided with two control handle assemblies-rear upper shell-fixing holes; the section of the two control handle assemblies, the rear upper shell and the semi-partition plate is respectively provided with two technical means of the control handle assemblies, the rear upper shell and the fixing hole, so that reasonable arrangement of components is facilitated.

13. The technical proposal adopts the control handle component, namely the front upper shell is a semi-cylindrical shell; two control handle assemblies, namely a front upper shell and a semi-partition plate, are distributed in the control handle assembly-front upper shell along the length direction; the two control handle assemblies, namely the front upper shell and the semi-partition plate divide the control handle assembly, namely the front upper shell into three parts; the three parts are sequentially a control handle assembly, a front upper shell, a charging unit half bin, a control handle assembly, a front upper shell, a battery half bin and a control handle assembly, a front upper shell and a testing unit half bin from top to bottom; the lower part of the control handle assembly-front upper shell is provided with a control handle assembly-front upper shell-lower half connecting part; the shape of the connecting part of the control handle assembly, the front upper shell and the lower half is a semi-cylinder; the connecting part of the control handle assembly, the front upper shell and the lower half part and the lower part of the control handle assembly and the front upper shell are in smooth transition; the end surface of the connecting part of the control handle assembly, the front upper shell and the lower half is provided with a connecting port of the control handle assembly, the front upper shell and the lower half; the inner side wall of the control handle assembly, the front upper shell and the lower half connecting port is provided with a control handle assembly, a front lower shell and a fixed structure; the control handle assembly-front lower shell-fixing structure is one of a bayonet, a chuck, a half-snap ring groove, a half-snap ring and a half-cylindrical surface thread; the bottom surface of the control handle assembly, the front upper shell and the lower half connecting port and the two control handle assemblies, the front upper shell and the semi-partition plate are coaxially provided with a control handle assembly, a front upper shell and a wiring semi-hole; the lower part of the control handle assembly, the front upper shell and the test switch mounting port are formed in the lower part of the control handle assembly, the front lower shell and the test switch mounting port; the control handle assembly-test switch; the middle part of the control handle assembly, the front upper shell is provided with a control handle assembly, a front lower shell and a display screen module mounting port; the control handle assembly-display screen module; the upper end face of the control handle assembly-front upper shell is provided with a control handle assembly-front lower shell-USB socket mounting port; the control handle assembly-USB socket is arranged at the control handle assembly-front lower shell-USB socket mounting port; the section of the upper end of the control handle assembly, namely the front upper shell, is provided with two control handle assemblies, namely a front upper shell and a threaded fixing hole; the section of the lower end of the control handle assembly, namely the front upper shell, is provided with two control handle assemblies, namely the front upper shell and a threaded fixing hole; the section of the two control handle assemblies, the front upper shell and the semi-partition plate is respectively provided with two technical means of the control handle assemblies, the front upper shell and the thread fixing hole, so that reasonable arrangement of components is facilitated.

14. According to the technical scheme, the control handle assembly, the rear upper shell and the control handle assembly, the front lower shell, are relatively buckled; the control handle assembly, the rear upper shell, the charging unit half bin and the control handle assembly, the front lower shell and the charging unit half bin form a charging unit bin; a control handle assembly-a charging unit is arranged in the charging unit bin; the control handle assembly, the rear upper shell, the battery half bin and the control handle assembly, the front lower shell and the battery half bin form a battery bin; a control handle assembly-battery is arranged in the battery bin; the control handle assembly, the rear upper shell, the testing unit half bin and the control handle assembly, the front lower shell and the testing unit half bin form a testing unit bin; the test unit bin is provided with a technical means of controlling the handle assembly and the test unit, so that the test unit bin is also beneficial to disassembly.

15. In the technical scheme, the control handle assembly-battery is electrically connected to the input end of the control handle assembly-test unit; the output end of the control handle assembly-test unit is electrically connected with the input end of the control handle assembly-test switch; the output end of the control handle assembly-test switch is electrically connected with the technical means of the test head-electrode, so that the nerves on two sides in a nerve incision can be tested only through the test switch, and the test operation of the nerves is greatly facilitated.

16. According to the technical scheme, the technical means that the control handle assembly-display screen module is electrically connected between the input end of the control handle assembly-test switch and the output end of the control handle assembly-test unit is adopted, so that the change conditions of current and voltage can be known in time.

17. The technical scheme adopts the technical means that the control handle assembly-power switch is connected in series between the positive electrode of the control handle assembly-battery and the positive electrode of the control handle assembly-test unit, so that the electric energy is saved.

18. According to the technical scheme, the technical means that the control handle assembly and the indicator lamp are connected between the control handle assembly and the power switch and between the control handle assembly and the positive electrode of the battery in series is adopted, so that the state of the nerve separation tester can be known in time.

18. In the technical scheme, the input end of the control handle assembly-testing unit is electrically connected with the output end of the control handle assembly-charging unit; the positive electrode of the control handle assembly-charging unit is electrically connected between the control handle assembly-power switch and the control handle assembly-indicator light; the input end of the control handle assembly-charging unit is electrically connected with the output end of the control handle assembly-USB interface, so that the nerve separation tester has a plug-and-play function and a charging function.

19. The technical scheme is characterized in that the control handle assembly-the indicator light is a light-emitting diode, so that the electric energy is saved.

20. The technical scheme adopts the technical means that the control handle assembly-the power switch is a key switch, so that the volume is small, and the occupied space is small.

21. According to the technical scheme, the technical means that the control handle assembly-display screen module is a four-foot display screen module or a three-foot display screen module is adopted, so that various nerve separation testers are produced according to actual conditions.

22. According to the technical scheme, the technical means that the control handle assembly-test switch is a duplex synchronous double-control three-position switch or a duplex synchronous double-control two-position switch or a duplex synchronous single-control two-position switch is adopted, so that various nerve separation testers are produced according to different requirements of hospitals.

23. The technical scheme adopts the technical means that the duplex synchronous double-control three-position switch is formed by synchronously connecting the control keys of the two double-control three-position switches, so that the control keys are in vacant positions when the test is not carried out temporarily, thereby not only being beneficial to energy conservation, but also being convenient to use.

24. The technical scheme adopts the technical means that the duplex synchronous double-control two-position switch is formed by synchronously connecting the control keys of the two double-control two-position switches, so the structure is simple, and the cost is saved.

25. The technical scheme adopts the duplex synchronous single-control two-position switch to have four single-control two-position switches; the four single-control two-position switches are averagely divided into two groups; the technical means of synchronous connection of the control keys of the two single-control two-position switches in each group is adopted, so that misoperation is not easy to occur.

26. According to the technical scheme, the control handle assembly and the battery are technical means of rechargeable lithium batteries, so that the trouble of replacing the battery is avoided.

Drawings

The test head and the nerve isolation tester according to the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

Fig. 1 is a schematic perspective view of the nerve isolation test apparatus according to the present embodiment.

Fig. 2 is a schematic perspective view of a first test head according to this embodiment.

Fig. 3 is a schematic bottom view of a first test head according to this embodiment.

Fig. 4 is a schematic sectional view of the line a-a in fig. 3.

Fig. 5 is a schematic perspective view of a second test head according to this embodiment.

Fig. 6 is a schematic perspective view of the slit mechanism of the present embodiment.

Fig. 7 is a perspective view of the knife as the slitting mechanism of the present embodiment.

Fig. 8 is a perspective view of the lower case of the slit mechanism of the present embodiment.

Fig. 9 is a schematic bottom view of the lower case of the notching mechanism of this embodiment.

Fig. 10 is a schematic cross-sectional view taken along line B-B of fig. 9.

Fig. 11 is a schematic perspective view of the notch mechanism-toggle member according to the present embodiment.

Fig. 12 is a perspective view of a notch mechanism-stopper according to the present embodiment.

Fig. 13 is a perspective view (external) of the control handle assembly of the present embodiment.

Fig. 14 is a perspective view (inside) of the control handle assembly of the present embodiment.

Fig. 15 is a perspective view of the control handle assembly-rear upper housing of the present embodiment.

Fig. 16 is a perspective view of the front lower case of the control handle assembly of the present embodiment.

Fig. 17 is a schematic diagram of a first circuit principle of the nerve isolation test apparatus according to the embodiment.

FIG. 18 is a schematic diagram of a second circuit of the nerve isolation test device according to the present embodiment.

The reference numerals are explained below.

1-testing the head;

1-test head-electrode;

1-2-test head-plate body;

1-3-test head-upper connection;

1-4-test head-pilot hole;

1-5-test head-first wiring hole;

1-6-test head-second wiring hole;

1-7-test head-guide channel;

2-a notching mechanism;

2-1-incision mechanism-knife;

2-1-incision mechanism-knife-head;

2-1-2-incision mechanism-knife-rod;

2-notch mechanism-lower shell;

2-2-1-incision mechanism-lower housing-cavity;

2-2-2-incision mechanism-lower shell-guide groove;

2-2-3-incision mechanism-lower shell-wiring groove;

2-2-4-the notching mechanism-the lower shell-the lower connecting part;

2-2-5-the incision mechanism-the lower housing-the upper connection portion;

2-2-6-incision mechanism-lower shell-bevel angle;

2-2-7-notch mechanism-lower shell-mounting hole;

2-2-8-incision mechanism-lower shell-guide hole;

2-2-9-incision mechanism-lower shell-wiring hole;

2-3-notch mechanism-spring;

2-4-notch mechanism-toggle piece;

2-4-1-notch mechanism-shifting piece-shifting fork;

2-4-2-notch mechanism-toggle piece-handle;

2-4-3-incision mechanism-toggle piece- "U" shaped groove;

2-4-notch mechanism-toggle piece-round angle;

2-5-notch mechanism-check ring;

2-5-1-notch mechanism-check ring-trepanning;

2-5-2-notch mechanism-check ring-thread fixing hole;

2-5-3-notch mechanism-check ring-cap-free screw;

3-control the handle assembly;

3-1-control handle assembly-rear upper shell;

3-1-control handle component-rear upper shell-semi-partition plate;

3-1-2-control handle component-rear upper shell-charging unit half-bin;

3-1-3-control handle component-rear upper shell-battery half-bin;

3-1-4-control handle component-rear upper shell-test unit half-bin;

3-1-5-control handle component-rear upper shell-lower half connecting part;

3-1-6-control handle component-rear upper shell-lower half connecting port;

3-1-7-control handle component-rear upper shell-fixed structure;

3-1-8-control handle component-rear upper shell-wiring half hole;

3-1-9-control handle component-rear upper shell-power switch mounting hole;

3-1-10 parts of a control handle assembly, a rear upper shell and an indicator lamp mounting port;

3-1-11-control handle component-rear upper shell-fixing hole;

3-2-control handle assembly-front lower shell;

3-2-1-control handle component-front lower shell-semi-partition plate;

3-2-control handle component-front lower shell-charging unit half-bin;

3-2-3-control handle component-front lower shell-battery half-bin;

3-2-4-control handle component-front lower shell-test unit half-bin;

3-2-5-the control handle component-the front lower shell-the lower half connecting part;

3-2-6-the control handle component-the front lower shell-the lower half connecting port;

3-2-7-control handle component-front lower shell-fixed structure;

3-2-8-control handle component-front lower shell-wiring half hole;

3-2-9-control handle component-front lower shell-test switch mounting port;

3-2-10 parts of a control handle assembly, a front lower shell and a display screen mounting opening;

3-2-11-control handle component-front lower shell-USB socket mounting port;

3-2-12-control handle component-front lower shell-thread fixing hole;

3-control handle assembly-test switch;

3-4-control handle component-display screen module;

3-5-control handle component-USB socket;

3-6-control handle assembly-power switch;

3-7-control handle assembly-indicator light;

3-8-control handle assembly-battery;

3-9-control handle assembly-charging unit;

3-10-control handle assembly-test unit;

3-11-control handle assembly-electric quantity regulating unit;

3-12-control handle assembly-electric quantity regulating knob.

Detailed Description

As shown in figures 2 to 5 of the drawings,

this embodiment provides a test head comprising a test head-electrode 1-1,

two pairs of the test head-electrodes 1-1 are provided.

Each pair of said test head-electrodes 1-1 has a positive electrode and a negative electrode.

One positive electrode and one negative electrode in each pair of the test head-electrodes 1-1 are far away.

One positive electrode and one negative electrode of one pair of the test head-electrodes 1-1 are respectively close to one positive electrode and one negative electrode of the other pair of the test head-electrodes 1-1.

Various modifications of the present embodiment will be described in detail below.

As shown in figures 2 to 5 of the drawings,

one positive electrode of one pair of the test head-electrodes 1-1 is close to one positive electrode of the other pair of the test head-electrodes 1-1.

One negative electrode of one pair of the test head-electrodes 1-1 is close to one negative electrode of the other pair of the test head-electrodes 1-1.

It is, of course, also possible that,

one positive electrode of one pair of the test head-electrodes 1-1 is close to one negative electrode of the other pair of the test head-electrodes 1-1.

One negative electrode of one pair of the test head-electrodes 1-1 is close to one positive electrode of the other pair of the test head-electrodes 1-1.

As shown in figures 2 to 5 of the drawings,

the test head-electrode 1-1 is in the shape of a strip-shaped sheet.

The test head-electrode 1-1 is made of an electrically conductive material.

The conductive material is one of a copper material, a stainless steel material and a silver material.

One positive electrode and one negative electrode of each pair of the test head-electrodes 1-1 are parallel to each other.

Two pairs of said test head-electrodes 1-1 are parallel to each other.

One positive electrode sheet surface and one negative electrode sheet surface of each pair of the test head-electrodes 1-1 are positioned in the same plane.

The homonymous side ends of the two pairs of test head-electrodes 1-1 are located in the same plane (as can be seen from fig. 2, the upper side ends of the two pairs of test head-electrodes 1-1 are located in the same plane, and the lower side ends of the two pairs of test head-electrodes 1-1 are located in the same plane).

Viewed in the lengthwise direction of the test head-electrode 1-1,

the two pairs of test head-electrodes 1-1 are distributed in a matrix of two rows and two columns.

As shown in figures 2 to 5 of the drawings,

the two pairs of the test head-electrodes 1-1 are fixedly connected through the test head-plate body 1-2.

The test head plate body 1-2 is made of an insulating material.

The insulating material is one of plastic, silica gel and rubber.

The test head-plate body 1-2 is rectangular in shape.

The length of the upper side and the lower side of the test head-plate body 1-2 is greater than the length of the left side and the right side of the test head-plate body 1-2. Alternatively, the first and second electrodes may be,

the length of the upper side and the lower side of the test head-plate body 1-2 is less than the length of the left side and the right side of the test head-plate body 1-2. Alternatively, the first and second electrodes may be,

the length of the upper side and the lower side of the test head-plate body 1-2 is equal to the length of the left side and the right side of the test head-plate body 1-2.

The edges of the test head-plate body 1-2 are all chamfered.

The two pairs of the test head-electrodes 1-1 are respectively fixed on two plate surfaces of the test head-plate body 1-2.

The middle part of the upper side surface of the test head-plate body 1-2 extends upwards to form a test head-upper connecting part 1-3.

The shape of the test head-upper connecting part 1-3 is a cylinder.

And a fixing structure is arranged on the side surface of the upper connecting part 1-3 of the test head.

The fixing structure is one of a clamping head, a clamping opening, a clamping ring groove and a thread.

The root of the testing head-upper connecting part 1-3 is vertical to the plate surface of the testing head-plate body 1-2, and a testing head-first wiring hole 1-5 is formed.

The top surface of the test head-upper connecting part 1-3 is provided with a test head-second wiring hole 1-6.

The test head-second wiring hole 1-6 is communicated with the test head-first wiring hole 1-5.

The test head-plate body 1-2 is a solid plate body or a hollow plate body.

As shown in figures 2 to 4 of the drawings,

in the hollow plate body, the hollow plate body is provided with a hollow plate body,

two test head-second wiring holes 1-6 are provided.

The two test head-second wiring holes 1-6 are positioned at two sides of the center of the top surface of the test head-upper connecting part 1-3.

The two testing head-second wiring holes 1-6 are respectively communicated with the testing head-first wiring holes 1-5.

The center of the top surface of the testing head-upper connecting part 1-3 is provided with a testing head-guide hole 1-4.

The middle part of the lower side surface of the test head-plate body 1-2 is provided with a test head-guide channel 1-7.

The cross-sectional shape of the test head-guide channel 1-7 is diamond-shaped.

The test head-guide channel 1-7 is communicated with the test head-guide hole 1-4.

As shown in figure 5 of the drawings,

in the solid plate body, the solid plate body is provided with a plurality of grooves,

one of the test head-second wiring holes 1-6.

One of the test head-second wiring holes 1-6 is located at the center of the top surface of the test head-upper connection portion 1-3.

One of the test head-second wiring holes 1-6 communicates with the test head-first wiring hole 1-5.

As shown in figure 1 of the drawings, in which,

the embodiment provides a nerve isolation tester, which comprises a test head 1,

the test head 1 is the test head described previously.

Various modifications of the present embodiment will be described in detail below.

As shown in figure 1 of the drawings, in which,

the test head 1, which has a hollow plate body, is connected to a control handle assembly 3 via a notching mechanism 2.

The test head 1, which has a solid plate, can be connected directly to the control handle assembly 3.

As shown in figures 6 to 12 of the drawings,

the notching mechanism 2 comprises a notching mechanism-knife 2-1, a notching mechanism-lower shell 2-2, a notching mechanism-spring 2-3, a notching mechanism-toggle piece 2-4 and a notching mechanism-retainer ring 2-5.

The incision mechanism-knife 2-1 comprises an incision mechanism-knife-head 2-1-1 and an incision mechanism-knife-rod 2-1-2.

The lower part of the incision mechanism-knife-head 2-1-1 is in a cone shape (namely, a pointed double-edged thin slice).

The upper part of the incision mechanism, the knife head 2-1-1, is in a cylinder shape.

The cross section of the incision mechanism-knife-head 2-1-1 is in a diamond shape (the maximum thickness of the diamond shape is very thin).

One end of the incision mechanism-knife-rod 2-1-2 is vertically and fixedly connected with the center of the upper end face of the incision mechanism-knife-head 2-1-1.

The shape of the incision mechanism-lower shell 2-2 is cylindrical.

The incision mechanism-lower shell 2-2 is provided with an incision mechanism-lower shell-cavity 2-2-1.

The shape of the incision mechanism-lower shell-cavity 2-2-1 is a cylindrical cavity.

The upper end of the incision mechanism-lower shell-cavity 2-2-1 is open.

The inner wall of the notching mechanism-lower shell 2-2 is provided with a notching mechanism-lower shell-wiring groove 2-2-3.

The notching mechanism-lower shell-wiring groove 2-2-3 is arranged on two opposite inner side walls and an inner bottom wall of the notching mechanism-lower shell 2-2.

The upper part of the outer side wall of the incision mechanism-lower shell 2-2 is provided with a fixed structure to form an incision mechanism-lower shell-upper connecting part 2-2-5.

The fixing structure is one of a clamping head, a clamping opening, a clamping ring groove and a thread.

The edge of the upper end of the incision mechanism-lower shell 2-2 is provided with an incision mechanism-lower shell-bevel 2-2-6.

The lower end of the notching mechanism-lower shell 2-2 is provided with a notching mechanism-lower shell-lower connecting part 2-2-4.

The shape of the incision mechanism-lower shell-lower connecting part 2-2-4 is a cylinder.

The incision mechanism-lower shell-lower connecting part 2-2-4 and the incision mechanism-lower shell 2-2 are in smooth transition.

The center of the end face of the notching mechanism-lower shell-lower connecting part 2-2-4 is provided with a notching mechanism-lower shell-mounting hole 2-2-7.

And a fixing structure is arranged on the inner side surface of the incision mechanism, the lower shell and the mounting hole 2-2-7.

The fixing structure is one of a bayonet, a clamping head, a clamping ring groove, a clamping ring and a thread.

The center of the bottom surface of the notching mechanism, the lower shell and the mounting hole 2-2-7 is provided with a notching mechanism, a lower shell and a guide hole 2-2-8.

The incision mechanism-lower shell-guide hole 2-2-8 is communicated with the incision mechanism-lower shell-cavity 2-2-1.

The edge of the end face of the notching mechanism, the lower shell and the lower connecting part 2-2-4 is provided with a notching mechanism, a lower shell and a wiring hole 2-2-9.

Two incision mechanisms, two lower shells and two wiring holes 2-2-9 are arranged.

The two incision mechanism-lower shell-wiring holes 2-2-9 are communicated with the incision mechanism-lower shell-wiring grooves 2-2-3.

The side wall of the notching mechanism-lower shell 2-2 is provided with a notching mechanism-lower shell-guide groove 2-2-2.

The shape of the incision mechanism-lower shell-guide groove 2-2-2 is E-shaped or L-shaped (seen in the incision mechanism-lower shell-cavity 2-2-1).

The notching mechanism-shifting piece 2-4 comprises a notching mechanism-shifting piece-shifting fork 2-4-1 and a notching mechanism-shifting piece-handle 2-4-2.

The notching mechanism-shifting piece-shifting fork 2-4-1 and the notching mechanism-shifting piece-handle 2-4-2 form an integrated piece.

The shape of the notching mechanism, the poking piece and the shifting fork 2-4-1 is disc-shaped.

The diameter of the notching mechanism, the poking piece, the shifting fork 2-4-1 is larger than the width of the notching mechanism, the lower shell and the guide groove 2-2-2.

The diameter of the notching mechanism, the poking piece, the shifting fork 2-4-1 is larger than the maximum width of the notching mechanism, the lower shell and the guide groove 2-2-2.

The thickness of the notching mechanism, the shifting piece, the shifting fork 2-4-1 is smaller than the width of the notching mechanism, the lower shell and the guide groove 2-2-2.

The head of the notching mechanism-shifting piece-shifting fork 2-4-1 is provided with a notching mechanism-shifting piece-U-shaped groove 2-4-3.

The width of the incision mechanism-poking piece-U-shaped groove 2-4-3 corresponds to the diameter of the incision mechanism-knife-rod 2-1-2.

The tail part of the incision mechanism, the poking piece and the handle 2-4-2 is a cylinder.

And a notching mechanism, a shifting piece and a round angle 2-4-4 are respectively arranged at two ends of the cylinder.

The shape of the notch mechanism, namely the retainer ring 2-5, is cylindrical.

The center of the end face of the notch mechanism, the retainer ring 2-5, is provided with a notch mechanism, a retainer ring and a trepan boring 2-5-1.

The inner diameter of the incision mechanism, the retainer ring and the trepan boring 2-5-1 corresponds to the diameter of the incision mechanism, the cutter rod 2-1-2.

The side surface of the notch mechanism-retaining ring 2-5 is provided with a notch mechanism-retaining ring-threaded fixing hole 2-5-2.

The incision mechanism-check ring-thread fixing hole 2-5-2 is communicated with the incision mechanism-check ring-trepanning 2-5-1.

The notch mechanism, the check ring and the thread fixing hole 2-5-2 are provided with a notch mechanism, a check ring and a cap-free screw 2-5-3.

The length of the cap-free screw 2-5-3 is smaller than the depth of the notch mechanism-check ring-thread fixing hole 2-5-2.

The other end of the incision mechanism-knife-rod 2-1-2 sequentially penetrates through the test head-guide hole 1-4 and the incision mechanism-lower shell-guide hole 2-2-8 from bottom to top.

The number of the notch mechanisms, the check rings 2-5, is two.

The incision mechanism-spring 2-3 and the two incision mechanism-check rings 2-5 are sequentially sleeved on the incision mechanism-knife-rod 2-1-2 from top to bottom and penetrate into the incision mechanism-lower shell-cavity 2-2-1.

The notching mechanism-shifting piece-shifting fork 2-4-1 is inserted into the notching mechanism-lower shell-guide groove 2-2-2 from outside to inside and is arranged between the two notching mechanism-retaining rings 2-5.

The two notching mechanisms, namely the check rings 2-5 are respectively and fixedly connected with the notching mechanisms, namely the knife-rods 2-1-2 through the notching mechanisms, the check rings and the cap-free screws 2-5-3.

As shown in figures 13 to 16 of the drawings,

the control handle assembly 3 comprises a control handle assembly-rear upper shell 3-1 and a control handle assembly-front lower shell 3-2.

The control handle assembly-rear upper shell 3-1 and the control handle assembly-front lower shell 3-2 are fixedly connected through fixing screws.

The control handle assembly-rear upper housing 3-1 is a semi-cylindrical housing.

Two control handle components, namely a rear upper shell and a semi-partition plate 3-1-1, are distributed in the control handle component, namely the rear upper shell 3-1 along the length direction.

The two control handle assemblies, namely the rear upper shell and the semi-partition plate 3-1-1 divide the control handle assembly, namely the rear upper shell 3-1 into three parts.

The three parts are sequentially a control handle assembly, a rear upper shell, a charging unit half bin 3-1-2, a control handle assembly, a rear upper shell, a battery half bin 3-1-3 and a control handle assembly, a rear upper shell and a testing unit half bin 3-1-4 from top to bottom.

The lower part of the control handle assembly-rear upper shell 3-1 is provided with a control handle assembly-rear upper shell-lower half connecting part 3-1-5.

The shape of the control handle assembly, the rear upper shell and the lower half connecting part 3-1-5 is a semi-cylinder.

The connecting part 3-1-5 of the control handle assembly, the rear upper shell and the lower half is in smooth transition with the lower part of the control handle assembly, the rear upper shell 3-1.

The end face of the control handle component-rear upper shell-lower half connecting part 3-1-5 is provided with a control handle component-rear upper shell-lower half connecting port 3-1-6.

The inner side wall of the control handle component, the rear upper shell and the lower half connecting port 3-1-6 is provided with a control handle component, a rear upper shell and a fixed structure 3-1-7.

The control handle assembly-rear upper shell-fixing structure 3-1-7 is one of a bayonet, a chuck, a semi-snap ring groove, a semi-snap ring and a semi-cylindrical surface thread.

The bottom surface of the control handle assembly, the rear upper shell and the lower half connecting port 3-1-6 and the two control handle assemblies, the rear upper shell and the half partition plate 3-1-1 are coaxially provided with a control handle assembly, a rear upper shell and a wiring half hole 3-1-8.

The upper end face of the control handle assembly-rear upper shell 3-1 is provided with a control handle assembly-rear upper shell-power switch mounting port 3-1-9 and a control handle assembly-rear upper shell-indicator lamp mounting port 3-1-10.

The control handle assembly-rear upper shell-power switch mounting port 3-1-9 is provided with a control handle assembly-power switch 3-6.

The control handle assembly-rear upper shell-indicator lamp mounting port 3-1-10 is provided with a control handle assembly-indicator lamp 3-7.

Two control handle components, namely a rear upper shell and a fixing hole 3-1-11 are arranged on the upper end section of the control handle component, namely the rear upper shell 3-1.

Two control handle components, namely a rear upper shell and a fixing hole 3-1-11 are arranged on the lower end section of the control handle component, namely the rear upper shell 3-1.

The sections of the two control handle assemblies, the rear upper shell and the semi-partition plate 3-1-1 are respectively provided with two control handle assemblies, the rear upper shell and a fixing hole 3-1-11.

The control handle assembly-the front upper housing 3-2 is a semi-cylindrical housing.

Two control handle components, namely a front upper shell and a semi-partition plate 3-2-1, are distributed in the control handle component, namely the front upper shell 3-2 along the length direction.

The two control handle assemblies, namely the front upper shell and the semi-partition plate 3-2-1 divide the control handle assembly, namely the front upper shell 3-1 into three parts.

The three parts are sequentially a control handle assembly, a front upper shell, a charging unit half bin 3-2-2, a control handle assembly, a front upper shell, a battery half bin 3-2-3 and a control handle assembly, a front upper shell and a testing unit half bin 3-2-4 from top to bottom.

The lower part of the control handle assembly-front upper shell 3-2 is provided with a control handle assembly-front upper shell-lower half connecting part 3-2-5.

The shape of the control handle assembly, the front upper shell and the lower half connecting part 3-2-5 is a semi-cylinder.

The connecting part 3-2-5 of the control handle assembly, the front upper shell and the lower half is in smooth transition with the lower part of the control handle assembly, the front upper shell 3-2.

The end face of the control handle component-front upper shell-lower half connecting part 3-2-5 is provided with a control handle component-front upper shell-lower half connecting port 3-2-6.

The inner side wall of the control handle component-front upper shell-lower half connecting port 3-2-6 is provided with a control handle component-front lower shell-fixing structure 3-2-7.

The control handle assembly-front lower shell-fixing structure 3-2-7 is one of a bayonet, a chuck, a semi-snap ring groove, a semi-snap ring and a semi-cylindrical surface thread.

The bottom surface of the control handle assembly, the front upper shell and the lower half connecting port 3-2-6 and the two control handle assemblies, the front upper shell and the half partition plate 3-2-1 are coaxially provided with a control handle assembly, a front upper shell and a wiring half hole 3-2-8.

The lower part of the control handle assembly, the front upper shell 3-2 is provided with a control handle assembly, a front lower shell and a test switch mounting port 3-2-9.

The control handle assembly-front lower shell-test switch mounting port 3-2-9 is provided with a control handle assembly-test switch 3-3.

The middle part of the control handle assembly, the front upper shell 3-2 is provided with a control handle assembly, a front lower shell and a display screen module mounting opening 3-2-10.

The control handle assembly-front lower shell-display screen module mounting port 3-2-10 is provided with a control handle assembly-display screen module 3-4.

The upper end face of the control handle assembly, namely the front upper shell 3-2, is provided with a control handle assembly, namely a front lower shell, and a USB socket mounting port 3-2-11.

And a control handle assembly-USB socket 3-5 is arranged at the control handle assembly-front lower shell-USB socket mounting port 3-2-11.

Two control handle components, namely a front upper shell and a thread fixing hole 3-2-12 are arranged on the section of the upper end of the control handle component, namely the front upper shell 3-2.

Two control handle components, namely a front upper shell and a thread fixing hole 3-2-12 are arranged on the lower end section of the control handle component, namely the front upper shell 3-2.

The section of the two control handle assemblies, namely the front upper shell and the semi-partition plate 3-2-1, is respectively provided with two control handle assemblies, namely the front upper shell and the threaded fixing hole 3-2-12.

The control handle assembly-rear upper shell 3-1 and the control handle assembly-front lower shell 3-2 are oppositely buckled.

The control handle assembly, the rear upper shell, the charging unit half bin 3-1-2 and the control handle assembly, the front lower shell, the charging unit half bin 3-2-2 form a charging unit bin.

And a control handle assembly, namely a charging unit 3-9, is arranged in the charging unit bin.

The control handle assembly, the rear upper shell, the battery half bin 3-1-3 and the control handle assembly, the front lower shell, and the battery half bin 3-2-3 form a battery bin.

And a control handle assembly, namely batteries 3-8, is arranged in the battery bin.

The control handle assembly, the rear upper shell, the testing unit half bin 3-1-4 and the control handle assembly, the front lower shell, the testing unit half bin 3-2-4 form a testing unit bin.

The test unit bin is provided with a control handle assembly, namely a test unit 3-10.

As shown in figures 17 to 18 of the drawings,

the control handle assembly-battery 3-8 is electrically connected to the input of the control handle assembly-test unit 3-10.

The output end of the control handle assembly-test unit 3-10 is electrically connected to the input end of the control handle assembly-test switch 3-3.

The control input end of the control handle assembly-testing unit 3-10 is electrically connected with the control output end of the control handle assembly-electric quantity regulating unit 3-11.

The control handle assembly-electric quantity adjusting knob 3-12 of the control handle assembly-electric quantity adjusting unit 3-11 is mounted on the control handle assembly-front upper housing 3-2 or the control handle assembly-rear upper housing 3-1 (not shown in the figure).

The output end of the control handle assembly-test switch 3-3 is electrically connected with the test head-electrode 1-1.

The control handle assembly-display screen module 3-4 is electrically connected between the input end of the control handle assembly-test switch 3-3 and the output end of the control handle assembly-test unit 3-10.

And a control handle assembly-power switch 3-6 is connected in series between the positive electrode of the control handle assembly-battery 3-8 and the positive electrode of the control handle assembly-testing unit 3-10.

The control handle assembly-indicator light 3-7 is connected in series between the control handle assembly-power switch 3-6 and the anode of the control handle assembly-battery 3-8.

The input end of the control handle assembly-testing unit 3-10 is electrically connected to the output end of the control handle assembly-charging unit 3-9.

The positive electrode of the control handle assembly-charging unit 3-9 is electrically connected between the control handle assembly-power switch 3-6 and the control handle assembly-indicator light 3-7.

The input end of the control handle assembly-charging unit 3-9 is electrically connected to the output end of the control handle assembly-USB socket 3-5.

The control handle assembly-indicator light 3-7 is a light emitting diode.

The control handle assembly-power switch 3-6 is a push button switch.

The control handle assembly-display screen module 3-4 is a four-foot display screen module or a three-foot display screen module.

The control handle assembly, test switch 3-3, is a duplex synchronous double control three-position switch (see fig. 17).

Of course, the control handle assembly-test switch 3-3 may be a dual-link synchronous dual-control two-position switch.

The control handle assembly-test switch 3-3 can also be a duplex synchronous single-control two-position switch.

The duplex synchronous double-control three-position switch is formed by synchronously connecting control keys of two double-control three-position switches (see figure 17).

The duplex synchronous double-control two-position switch is formed by synchronously connecting control keys of two double-control two-position switches.

The duplex synchronous single-control two-position switch is provided with four single-control two-position switches.

The four single-control two-position switches are averagely divided into two groups.

The control keys of the two single-control two-position switches in each group are synchronously connected (see figure 18).

The control handle assembly-battery 3-8 is a rechargeable lithium battery.