阅读说明：本技术 一种下胫腓关节螺钉导向钳 (Lower tibiofibular joint screw guiding forceps ) 是由 朱鼎 于 2021-08-13 设计创作，主要内容包括：本发明公开了一种下胫腓关节螺钉导向钳,包括钳柄一和钳柄,钳柄一和钳柄的交接处通过铆钉转动连接,钳柄一和钳柄的一端分别一体成型有钳嘴一和钳嘴二,钳嘴一和钳嘴二均为向内侧弧形弯曲设置；钳柄的另一端焊接有弧形板,弧形板的底部设有弧形卡板机构,弧形卡板机构包括内弧形板、连接板、外弧形板,内弧形板焊接在弧形板的内部,钳柄一位于内弧形板和外弧形板之间,弧形板的顶部刻有第一角度刻线,弧形板的基体上开设有通孔,弧形板的圆心位于铆钉的中心线上；本方案,在对下胫腓关节进行固定手术时作为导向器使用,有利于将钉子打在下胫腓关节面中间,也就是生物力学最强处。(The invention discloses a lower tibiofibular joint screw guide clamp which comprises a clamp handle I and a clamp handle, wherein the joint of the clamp handle I and the clamp handle is rotationally connected through a rivet; the other end of the clamp handle is welded with an arc-shaped plate, the bottom of the arc-shaped plate is provided with an arc-shaped clamping plate mechanism, the arc-shaped clamping plate mechanism comprises an inner arc-shaped plate, a connecting plate and an outer arc-shaped plate, the inner arc-shaped plate is welded inside the arc-shaped plate, the clamp handle is positioned between the inner arc-shaped plate and the outer arc-shaped plate, a first angle scribed line is carved at the top of the arc-shaped plate, a through hole is formed in a base body of the arc-shaped plate, and the circle center of the arc-shaped plate is positioned on the central line of the rivet; this scheme is being used as the director when fixing the operation to tibiofibular joint down, is favorable to beating the nail in the middle of tibiofibular joint face down, also is the strongest department of biomechanics.)

1. The lower tibiofibular joint screw guide clamp comprises a clamp handle I (1) and a clamp handle (2), and is characterized in that the joint of the clamp handle I (1) and the clamp handle (2) is rotatably connected through a rivet (3), a clamp mouth I (11) and a clamp mouth II (21) are respectively and integrally formed at one end of the clamp handle I (1) and one end of the clamp handle (2), and the clamp mouth I (11) and the clamp mouth II (21) are both arranged in an inward arc-shaped bending mode;

the other end welding of pincers handle (2) has arc (4), the bottom of arc (4) is equipped with arc cardboard mechanism (42), arc cardboard mechanism (42) include interior arc (421), connecting plate (422), outer arc (423), interior arc (421) welding is in the inside of arc (4), pincers handle (1) is located interior arc (421) with between outer arc (423), first angle groove (43) have been carved with at the top of arc (4), through-hole (41) have been seted up on the base member of arc (4), the centre of a circle of arc (4) is located on the central line of rivet (3).

2. The lower tibiofibular joint screw guide clamp of claim 1, wherein: at least twenty through holes (41) are arranged at equal angles.

3. The lower tibiofibular joint screw guide clamp of claim 2, wherein: arc (4) with the outside slip cover of interior arc (421) is equipped with sleeve pipe (5), the outer wall welding of sleeve pipe (5) has pipe (6), the inner of pipe (6) is just right rivet (3), threaded rod (51) are installed at the top of sleeve pipe (5), through the elasticity threaded rod (51) are right sleeve pipe (5) are relaxed and are fixed a position.

4. The lower tibiofibular joint screw guide clamp of claim 3, wherein: the threaded rods (51) are at least four equidistantly arranged.

5. The lower tibiofibular joint screw guide clamp of claim 4, wherein: the outer end of the threaded rod (51) is welded with a hand screwing block (511).

6. The lower tibiofibular joint screw guide clamp of claim 5, wherein: and a second angle scribing line (52) is carved on the outer wall of the sleeve (5).

7. The lower tibiofibular joint screw guide clamp of claim 1, wherein: the other ends of the forceps handle I (1) and the forceps handle (2) are integrally formed with finger rings (7).

Technical Field

The invention belongs to the technical field of medical appliances, and particularly relates to a lower tibiofibular joint screw guide clamp.

Background

The tibiofibular ligament is a very important stability structure of the ankle joint, and the reason for many failed surgeries is that the tibiofibular ligament is not fixed or is inefficiently fixed, and the traditional method is as follows: perpendicular to the lower tibiofibular joint and inclined forward 25-30 degrees from the posterior, as shown in fig. 1, the observed image is a transverse sectional view of autopsy specimen, the transverse plane cannot be observed during operation, and the position of the implanted screw cannot be judged to be good or bad. Only the lateral side of the fibula can be seen under the direct vision in the operation, as shown in fig. 2, the arc middle point of the joint surface cannot be judged, so that the nail is perpendicularly inserted, and the estimated strike is performed every time. Moreover, the X-ray fluoroscopy has an overlapping effect, as shown in FIG. 3, and it is not well judged whether the nail is hit in the middle of the articular surface, i.e. the most biomechanically strong place.

It is therefore desirable to redesign a lower tibiofibular screw guide clamp.

Disclosure of Invention

The invention aims to provide a lower tibiofibular joint screw guide clamp to solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme:

the lower tibiofibular joint screw guide clamp comprises a clamp handle I and a clamp handle, wherein the joint of the clamp handle I and the clamp handle is rotationally connected through a rivet, a clamp mouth I and a clamp mouth II are respectively integrally formed at one end of the clamp handle I and one end of the clamp handle II, and the clamp mouth I and the clamp mouth II are both arranged in an inward arc-shaped bending mode;

the other end welding of pincers handle has the arc, the bottom of arc is equipped with arc cardboard mechanism, arc cardboard mechanism includes interior arc, connecting plate, outer arc, interior arc welding is in the inside of arc, pincers handle one is located interior arc with between the outer arc, the top of arc is carved with first angle groove, the through-hole has been seted up on the base member of arc, the centre of a circle of arc is located on the central line of rivet.

Through adopting above-mentioned technical scheme, through this direction pincers, pincers handle one and pincers mouth one to shin, fibula rear side two points, pincers handle and pincers mouth two press from both sides shin, fibula front side two points, through the combined action of pincers handle one and pincers handle and pincers mouth one and pincers mouth two, press from both sides simultaneously shin, fibula front and back contact 4 points, advance the nail from the contained angle bisector of pincers handle one and pincers handle, guarantee the shin fibula joint face and get into perpendicularly, accord with the biggest biomechanics intensity, conveniently judge the through-hole that is located the contained angle bisector department of pincers handle one and pincers handle through first angle groove, then pass the drill bit of electric drill through the through-hole that is located the contained angle bisector department of pincers handle one and pincers handle and carry out the nailing, beat the nail in the middle of the articular face, also be the most strong department of biomechanics.

Preferably, at least twenty through holes are arranged at equal angles.

Through adopting above-mentioned technical scheme, can set up the quantity of through-hole according to actual demand.

Preferably, the arc with the outside sliding sleeve of interior arc is equipped with the sleeve pipe, sheathed tube outer wall welding has the pipe, the inner of pipe is just right the rivet, the threaded rod is installed at sheathed tube top, and is right through the elasticity the threaded rod is right the sleeve pipe is loosened and is fixed a position.

Through adopting above-mentioned technical scheme, press from both sides the shin through pincers handle one and pincers mouth one, fibula rear side two points, pincers handle and pincers mouth two press from both sides the shin, fibula front side two points, through the combined action of pincers handle one and pincers handle and pincers mouth one and pincers mouth two, press from both sides the shin simultaneously, fibula front and back contact 4 points, then adjust the sleeve pipe, make the pipe be located the contained angle isoline department such as pincers handle one and pincers handle, then screw up the sleeve pipe, fix a position the sleeve pipe, then pass the pipe with the drill bit of electric drill and carry out the nailing, beat the nail in the middle of the articular surface, also be the most strong department of biomechanics exactly.

Preferably, the threaded rods are at least four equidistantly arranged.

Through adopting above-mentioned technical scheme, improved the location effect to the sheathed tube through a plurality of threaded rods.

Preferably, the outer end of the threaded rod is welded with a hand-twisting block.

Through adopting above-mentioned technical scheme, twist the convenient threaded rod of twisting of piece through the hand.

Preferably, the outer wall of the sleeve is scored with a second angular score line.

By adopting the technical scheme, the second angle scribing line and the first angle scribing line are matched with each other, so that the circular pipe can be further and accurately positioned at the equal division of the included angle between the first forceps handle and the first forceps handle.

Preferably, the first forceps handle and the other end of the first forceps handle are integrally formed with finger rings.

By adopting the technical scheme, the finger can be conveniently inserted through the finger ring, and the guide clamp can be conveniently operated by a single hand.

The invention has the technical effects and advantages that:

through the guide clamp, the first clamp handle and the first clamp mouth clamp the shin and the two points on the back side of the fibula, the second clamp handle and the second clamp mouth clamp the shin and the two points on the front side of the fibula, the combined action of the first clamp handle, the second clamp mouth and the second clamp mouth simultaneously clamps the shin and the 4 points on the front and back of the fibula, the isoline nailing is performed from the included angle isoline of the first clamp handle and the second clamp handle, the vertical entering of the lower tibiofibula joint surface is ensured, the maximum biomechanical strength is met, the through hole at the isoline of the included angle isoline of the first clamp handle and the second clamp handle is conveniently judged through the first angle groove, then the drill bit of the electric drill penetrates through the through hole at the isoline of the included angle isoline of the first clamp handle and the second clamp handle to perform nailing, the nailing is performed in the middle of the joint surface, and is also the most strong biomechanical position.

Drawings

FIG. 1 is a cross-sectional view of a prior art stapled cadaver specimen dissection;

FIG. 2 is a schematic view of a prior art nailing procedure;

FIG. 3 is a perspective orthographic view of a prior art post-staple intraoperative X-ray;

FIG. 4 is a schematic structural view of the lower tibiofibular screw guide clamp of embodiment 1 of the present invention in use;

FIG. 5 is a schematic structural view of the lower tibiofibular screw guide clamp of embodiment 1 of the present invention;

FIG. 6 is a schematic view of the combination of the arc-shaped plate and the arc-shaped plate clamping mechanism of the lower tibiofibular joint screw guiding forceps of embodiment 1 of the present invention;

FIG. 7 is a schematic structural view of the lower tibiofibular screw guide clamp of embodiment 2 of the present invention in use;

FIG. 8 is a schematic structural view of the lower tibiofibular screw guide clamp of embodiment 2 of the present invention;

FIG. 9 is a schematic view of the combination of the curved plate and the curved plate-clamping mechanism of the lower tibiofibular joint screw guide clamp of embodiment 2 of the present invention;

FIG. 10 is an enlarged view of portion A of FIG. 9;

fig. 11 is a schematic structural view of a sleeve of the lower tibiofibular screw guide forceps of embodiment 2 of the invention.

In the figure: 1. a first clamp handle; 11. a first clamp mouth; 12. a first handle; 2. a forceps handle; 21. a second plier mouth; 22. a second handle; 3. riveting; 4. an arc-shaped plate; 41. a through hole; 42. an arc-shaped clamping plate mechanism; 421. an inner arc-shaped plate; 422. a connecting plate; 423. an outer arc plate; 43. a first angle reticle; 5. a sleeve; 51. a threaded rod; 511. a hand twisting block; 52. a second angle reticle; 6. a circular tube; 7. a finger ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 4 to 11 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

as shown in fig. 4, 5 and 6, the invention provides a lower tibiofibular joint screw guide clamp, which comprises a clamp handle I1 and a clamp handle 2, wherein the joint of the clamp handle I1 and the clamp handle 2 is rotatably connected through a rivet 3, a clamp mouth I11 and a clamp mouth II 21 are respectively and integrally formed at one end of the clamp handle I1 and one end of the clamp handle 2, and the clamp mouth I11 and the clamp mouth II 21 are both inwards curved and bent;

the other end welding of pincers handle 2 has arc 4, the bottom of arc 4 is equipped with arc cardboard mechanism 42, arc cardboard mechanism 42 includes interior arc 421, connecting plate 422, outer arc 423, interior arc 421 welds the inside of arc 4, pincers handle 1 is located interior arc 421 with between the outer arc 423, first angle groove 43 has been carved at the top of arc 4, through-hole 41 has been seted up on the base member of arc 4, the centre of a circle of arc 4 is located on the central line of rivet 3.

By adopting the technical scheme, through the guide clamp, the first clamp handle 1 and the first clamp mouth 11 are clamped to two points on the rear side of the tibia and the fibula, the second clamp handle and the second clamp mouth 21 are clamped to two points on the front side of the tibia and the fibula, through the combined action of the first clamp handle 1, the second clamp handle 2, the first clamp mouth 11 and the second clamp mouth 21, the front and the back of the tibia and the fibula are simultaneously clamped to contact 4 points, nailing is performed from the included angle bisector of the first clamp handle 1 and the second clamp handle 2, the lower tibiofibula joint surface is ensured to vertically enter, the maximum biomechanical strength is met, the through hole 41 at the included angle bisector of the first clamp handle 1 and the second clamp handle 2 is conveniently judged through the first angle scribing line 43, then, a drill bit of an electric drill penetrates through the through hole 41 at the included angle bisector of the first clamp handle 1 and the second clamp handle 2 to perform nailing, and a nail is arranged in the middle of the nailing surface, namely, the strongest part of biomechanics.

As shown in fig. 6, at least twenty through holes 41 are provided at equal angles.

Through adopting above-mentioned technical scheme, can set up the quantity of through-hole 41 according to actual demand.

As shown in fig. 5, the other ends of the first forceps handle 1 and the second forceps handle 2 are integrally formed with a finger ring 7.

By adopting the technical scheme, the finger ring 7 is convenient for fingers to insert, and the guiding pliers can be operated by a single hand conveniently.

Working principle of example 1: as shown in figure 4, through the guide clamp, a first clamp handle 1 and a first clamp mouth 11 reach two points on the rear side of a tibia and a fibula, and a second clamp handle and a second clamp mouth 21 are clamped to two points on the front side of the tibia and the fibula, through the combined action of the first clamp handle 1, the second clamp handle 2, the first clamp mouth 11 and the second clamp mouth 21, the front and the back of the tibia and the fibula are simultaneously clamped to contact 4 points, nailing is performed from the bisector of the included angle between the first clamp handle 1 and the second clamp handle 2, the vertical entering of the lower tibiofibular joint surface is guaranteed, the maximum biomechanical strength is met, a through hole 41 located at the bisector of the included angle between the first clamp handle 1 and the second clamp handle 2 is conveniently judged through a first angle scribing line 43, then a drill bit of an electric drill penetrates through a through hole 41 located at the bisector of the included angle between the first clamp handle 1 and the second clamp handle 2 to perform nailing, and the nail is arranged in the middle of the articular surface, namely the strongest part of biomechanics.

Example 2

The same as example 1, except for the following:

as shown in fig. 7-11, the outer sliding sleeves of the arc plate 4 and the inner arc plate 421 are provided with a sleeve 5, the outer wall of the sleeve 5 is welded with a round tube 6, the inner end of the round tube 6 is opposite to the rivet 3, the top of the sleeve 5 is provided with a threaded rod 51, and the sleeve 5 is loosened and positioned by the threaded rod 51.

Through adopting above-mentioned technical scheme, press from both sides the shin through pincers handle 1 and pincers mouth 11, fibula rear side two points, pincers handle and pincers mouth two 21 press from both sides the shin, fibula front side two points, through the combined action of pincers handle 1 and pincers handle 2 and pincers mouth 11 and pincers mouth two 21, press from both sides the shin simultaneously, fibula front and back contact 4 points, then adjust sleeve pipe 5, make pipe 6 be located the contained angle isoline department of pincers handle 1 and pincers handle 2, then screw up sleeve pipe 5, fix a position sleeve pipe 5, then pass pipe 6 with the drill bit of electric drill and carry out the nailing, beat the nail in the middle of the articular surface, also be the most strong department of biomechanics.

As shown in fig. 10 and 11, the threaded rods 51 are provided at least four equidistant.

Through adopting above-mentioned technical scheme, improved the location effect to sleeve pipe 5 through a plurality of threaded rods 51.

As shown in fig. 10 and 11, a hand-screw block 511 is welded to the outer end of the threaded rod 51.

Through adopting above-mentioned technical scheme, conveniently twist threaded rod 51 through the hand piece 511 of twisting.

As shown in fig. 10 and 11, the outer wall of the sleeve 5 is scored with a second angular score line 52.

By adopting the technical scheme, the second angle scribing line 52 is matched with the first angle scribing line 43, so that the circular tube 6 can be further and accurately positioned at the equal division line of the included angle between the forceps handle I1 and the forceps handle 2.

Working principle of example 2: as shown in fig. 7, the back side of the tibia and the fibula is clamped by a first forceps handle 1 and a first forceps mouth 11, the front side of the tibia and the fibula is clamped by a second forceps handle 21, the front side of the tibia and the fibula is simultaneously clamped by 4 points of front and back contact of the tibia and the fibula under the combined action of the first forceps handle 1, the second forceps handle 2, the first forceps mouth 11 and the second forceps mouth 21, then a sleeve 5 is adjusted to enable a circular tube 6 to be located at an included angle bisector of the first forceps handle 1 and the second forceps handle 2, then the sleeve 5 is screwed tightly to position the sleeve 5, then a drill bit of an electric drill penetrates through the circular tube 6 to perform nailing, and a nail is nailed in the middle of a joint surface, namely, the most biomechanical position.

An analytical comparison was made between example 1 and example 2:

in the embodiment 1, a drill bit of an electric drill penetrates through a through hole 41 at the bisector of an included angle between a first pliers handle 1 and a second pliers handle 2 to nail, and a nail is nailed in the middle of a joint surface, namely the position with the strongest biomechanics;

in the embodiment 2, the sleeve 5 needs to be adjusted firstly, so that the circular tube 6 is located at the bisector of the included angle between the first forceps handle 1 and the second forceps handle 2, then the sleeve 5 is screwed down, the sleeve 5 is positioned, then a drill bit of an electric drill penetrates through the circular tube 6 to nail, and a nail is nailed in the middle of a joint surface, namely, the position with the highest biomechanics;

as can be seen from the above two embodiments, the operation of embodiment 1 is simpler and more convenient, and the operation of embodiment 2 is a little more complicated, but the precision is higher, because in embodiment 1, only the through hole 41 closest to the bisector of the included angle between the first jaw handle 1 and the second jaw handle 2 can be selected, and the operation mode can be selected according to the actual situation.

To sum up, this scheme is favorable to beating the nail in the middle of the articular surface when fixing the operation to lower tibiofibular joint, is also the strongest department of biomechanics.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.