阅读说明：本技术 一种脊柱外科手术用脊椎探针 (Spinal probe for spinal surgery ) 是由 张霞玲 于 2018-05-30 设计创作，主要内容包括：本发明提供了一种脊柱外科手术用脊椎探针,包括针芯以及套装在针芯外的套管,所述针芯设有针体,针体的前端设有针尖,所述针尖伸出套管,针体的上端连接有针芯手柄,在套管的上端连接有套管手柄,针芯手柄装在套管手柄上；在针芯手柄外的针体外表面上、套管的内表面上均分别涂有绝缘涂层；处于针芯手柄内的针体上连接有导线插针,在针芯手柄内设有与导线插针配合的通道,在针芯手柄的一侧设有与通道连通的插口。本发明在穿刺过程中,可直接用针芯进行诱发肌电图的实时监测,而不需要进行更换常规探针工具,可以避免手术器械或医生操作造成的脊髓或神经根的损伤,使用便捷,不影响手术,实时监测无滞后,能够及时指导手术医生的操作。(The invention provides a spinal probe for spinal surgery, which comprises a needle core and a sleeve sleeved outside the needle core, wherein the needle core is provided with a needle body, the front end of the needle body is provided with a needle point, the needle point extends out of the sleeve, the upper end of the needle body is connected with a needle core handle, the upper end of the sleeve is connected with a sleeve handle, and the needle core handle is arranged on the sleeve handle; the outer surface of the needle body outside the needle core handle and the inner surface of the sleeve are respectively coated with an insulating coating; the needle body in the needle core handle is connected with a conducting wire contact pin, a channel matched with the conducting wire contact pin is arranged in the needle core handle, and a socket communicated with the channel is arranged on one side of the needle core handle. In the puncture process, the needle core can be directly used for real-time monitoring of induced electromyogram without replacing a conventional probe tool, so that the injury of spinal cords or nerve roots caused by operation of surgical instruments or doctors can be avoided, the puncture needle is convenient to use, does not influence the operation, has no lag in real-time monitoring, and can guide the operation of the operating doctors in time.)

1. a spinal probe for spinal surgery, comprising: the needle comprises a needle core and a sleeve sleeved outside the needle core, wherein the needle core is provided with a needle body, the front end of the needle body is provided with a needle point, the needle point extends out of the sleeve, the upper end of the needle body is connected with a needle core handle, the upper end of the sleeve is connected with a sleeve handle, and the needle core handle is arranged on the sleeve handle; the outer surface of the needle body outside the needle core handle and the inner surface of the sleeve are respectively coated with insulating coatings, and the needle point has electric conductivity; the needle body in the needle core handle is connected with a conducting wire contact pin, a channel matched with the conducting wire contact pin is arranged in the needle core handle, and a socket communicated with the channel is arranged on one side of the needle core handle.

2. A spinal surgical probe as recited in claim 1, wherein: the quick plug is connected with the myoelectricity evoked potential instrument through a lead, and consists of a male plug and a female plug, the female plug is connected with the lead contact pin and arranged at the socket, and the male plug is connected with the lead.

3. A spinal surgical probe as recited in claim 1, wherein: the sleeve and the needle core are made of stainless steel or titanium alloy materials.

4. A spinal surgical probe as recited in claim 1, wherein: the upper surface of the sleeve handle is provided with two symmetrically arranged convex blocks, a downward sunken upper groove is formed between the two convex blocks, the sleeve penetrates through the central part of the upper groove, the upper end of the sleeve is flush with the upper surfaces of the convex blocks, and convex parts protruding towards the central part are respectively arranged on the convex blocks at the two sides of the upper groove; the lower surface of the stylet handle is provided with a clamping pin which can clamp the convex part after rotating.

5. a spinal surgical probe according to claim 4, wherein: the lower surface of the stylet handle is provided with two limit baffles which can block the convex part when the stylet handle is arranged opposite to the sleeve handle up and down.

6. A spinal surgical probe according to claim 5, wherein: the convex part is cuboid, the length of the convex part is smaller than the width of the convex part, the clamping foot is provided with a clamping piece connected with the stylet handle, and the lower end of the clamping piece is provided with a clamping strip clamped at the lower end of the convex part.

7. a spinal surgical probe according to claim 4, wherein: a connecting sleeve which downwards passes through the sleeve handle is arranged at the central part of the upper groove, and the sleeve is fixed at the lower end of the connecting sleeve.

Technical Field

The present invention relates to a medical instrument, and more particularly, to a spinal probe for spinal surgery.

background

The spinal probe is a surgical instrument for monitoring or diagnosing the function of spinal nerves, and is usually matched with a nerve electromyogram evoked potential monitoring system device for use. The purpose of this monitoring is to determine the integrity of the nervous system function at risk during surgery and also to find a safe threshold to prevent the nervous function from being damaged.

The change of electrophysiological signals in the process of nerve transmission is known clinically by using a nerve electrophysiological monitoring technology, and the state of the nerve function in the process of hand is known, so that an operator is effectively assisted to know the completeness of the nerve function of a patient in real time and comprehensively, and the operator is guided to perform proper operation. The main points are as follows:

1. Changes in the functional integrity of nerves during feedback surgery;

2. Measures are taken in time during the operation to avoid irreversible nerve damage, which causes the loss of motor function of patients, such as paralysis or inability to walk of lower limbs, loss or damage of excretion function;

3. And reduces the operation risk.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a spine probe for spine surgery, which is reasonable in design and convenient to use, and the specific scheme is as follows:

The invention relates to a spine probe for spine surgery, which is characterized in that: the needle comprises a needle core and a sleeve sleeved outside the needle core, wherein the needle core is provided with a needle body, the front end of the needle body is provided with a needle point, the needle point extends out of the sleeve, the upper end of the needle body is connected with a needle core handle, the upper end of the sleeve is connected with a sleeve handle, and the needle core handle is arranged on the sleeve handle; the outer surface of the needle body outside the needle core handle and the inner surface of the sleeve are respectively coated with insulating coatings, the needle point has electric conduction performance, and no electric conduction exists between the sleeve and the needle core as well as between the sleeve and the needle body; the needle body in the needle core handle is connected with a conducting wire contact pin, a channel matched with the conducting wire contact pin is arranged in the needle core handle, and a socket communicated with the channel is arranged on one side of the needle core handle.

The technical problem to be solved by the invention can be further realized by the following technical scheme that a quick plug-in connector matched with the lead pin is arranged at the socket and is connected with the myoelectricity evoked potential instrument through a lead, the quick plug-in connector consists of a male plug and a female plug, the female plug is connected with the lead pin and is arranged at the socket, and the male plug is connected with the lead.

The insulating coating is any one of the prior art insulating coatings suitable for use in the present application.

The wire contact pin used by the invention has electric conduction performance, and one end of the wire contact pin is connected with the needle core; the other end of the lead contact pin is similar to the lead connector and is fixed in the handle of the stylet to form male and female connection with the external lead connector, and a channel matched with the lead contact pin is arranged in the handle of the stylet by the contact pin.

The technical problem to be solved by the invention can be further realized by the following technical scheme that the sleeve is a stainless steel or titanium alloy sleeve, and the needle core is a stainless steel or titanium alloy needle core.

The technical problem to be solved by the invention can be further realized by the following technical scheme that two symmetrically arranged convex blocks are arranged on the upper surface of the sleeve handle, a downward sunken upper groove is formed between the two convex blocks, the sleeve penetrates through the central part of the upper groove, the upper end of the sleeve is flush with the upper surface of the convex blocks, and convex parts which are convex towards the central part are respectively arranged on the convex blocks at the two sides of the upper groove; the lower surface of the stylet handle is provided with a clamping pin which can clamp the convex part after rotating.

The technical problem to be solved by the invention can be further realized by the following technical scheme that two limit baffles for clamping the convex part by the clamping foot when the limit baffles are arranged opposite to the sleeve handle up and down are arranged on the lower surface of the handle of the stylet.

The technical problem to be solved by the invention can be further realized by the following technical scheme that the convex part is cuboid, the length of the convex part is smaller than the width of the convex block, the clamping pin is provided with a clamping piece connected with the needle core handle, and the lower end of the clamping piece is provided with a clamping strip clamped at the lower end of the convex part.

The technical problem to be solved by the invention can be further realized by the following technical scheme that a connecting sleeve which downwards passes through a sleeve handle is arranged at the central part of the upper groove, and the sleeve is fixed at the lower end of the connecting sleeve.

Compared with the prior art, the needle core handle is internally provided with the lead contact pin connected with the needle core, the lead contact pin is connected with the myoelectricity evoked potential instrument, so that the needle core has a conductive function, an operator holds the handle of the spine probe, applies force to enable the needle point of the needle core to penetrate into the cortex of the vertebral pedicle, and then rotates clockwise and anticlockwise to and fro, so that the needle point reaches a preset part. During the puncture process, the needle core can be directly used for real-time monitoring of induced electromyogram without replacing a conventional probe tool, and the injury of a spinal cord or nerve roots caused by the operation of a surgical instrument or a doctor can be avoided during the spinal surgery operation, so that the aim of protecting nerves is fulfilled. (consequences of nerve injury are paralysis (total injury), unstable stance walking (partial injury), loss of excretory function). The invention is convenient to use, does not affect the operation, has no lag in real-time monitoring, and can guide the operation of a surgeon in time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of the split configuration of the hub handle and cannula handle of the present invention.

Fig. 3 is a schematic view showing the connection of the catheter insertion needle and the needle body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings 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 of the embodiments. 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.

As shown in fig. 1, 2 and 3, the spinal probe for spinal surgery provided in this embodiment includes a stainless steel core 1 and a stainless steel sleeve 2 sleeved outside the core 1. The needle core 1 is provided with a needle body, the front end of the needle body is provided with a needle point, and the needle point extends out of the sleeve 2. The needle point can be conical, so that the puncture is convenient.

The upper end of the needle body is connected with a needle core handle 4, the upper end of the sleeve 2 is connected with a sleeve handle 3, and the needle core handle 4 is just arranged on the sleeve handle 3. The outer surface of the needle body outside the needle core handle 4 and the inner surface of the sleeve 2 are respectively coated with insulating coatings, the needle point has electric conduction performance, and no electric conduction exists between the sleeve and the needle core as well as between the sleeve and the needle body; the needle body in the needle core handle 4 is connected with a conducting wire inserting needle 6, a channel matched with the conducting wire inserting needle 6 is arranged in the needle core handle 4, and a socket 7 communicated with the channel is arranged on one side of the needle core handle 4. The quick plug is arranged at the socket 7 and matched with the lead pin 6, the quick plug is connected with the myoelectricity evoked potential instrument through a lead, the quick plug is composed of a male plug and a female plug, the female plug is connected with the lead pin 6 and arranged at the socket 7, and the male plug is connected with the lead.

The stylet handle 4 and the cannula handle 3 of the spinal probe can be locked with each other, and the specific structure is as follows:

Two symmetrically arranged convex blocks 10 are arranged on the upper surface of the sleeve handle 3, a downward sunken upper groove is formed between the two convex blocks 10, the sleeve 2 penetrates through the central part of the upper groove, and the upper end of the sleeve is flush with the upper surfaces of the convex blocks 10. A connecting sleeve which downwards passes through the sleeve handle 3 is arranged at the central part of the upper groove, and the sleeve 2 is fixed at the lower end of the connecting sleeve. Convex parts 9 protruding towards the central part are respectively arranged on the convex blocks 10 at the two sides of the upper groove; the lower surface of the stylet handle 4 is provided with a clamping foot 5 which clamps the convex part 9 after rotating. The convex part 9 is cuboid, the length of the convex part is smaller than the width of the convex block 10, the clamping foot 5 is provided with a clamping piece connected with the stylet handle 4, and the lower end of the clamping piece is provided with a clamping strip clamped at the lower end of the convex part 9.

The lower surface of the stylet handle 4 is provided with two limit baffles 8 which can block the convex part 9 when the stylet handle is arranged opposite to the cannula handle 3 up and down. Two limit baffles 8 are respectively arranged on the opposite surfaces of the two convex parts 9.

Before the use, nook closing member handle 4 is the cross with sleeve pipe handle 3, clockwise rotation nook closing member handle 4 after nook closing member handle 4 and the laminating of needle tubing handle, when limit baffle 8 pasted the lug 10 of sleeve pipe handle 3, nook closing member handle 4 just is just to setting up with sleeve pipe handle 3, and the card strip of card foot 5 just in time blocks the lower extreme at convex part 9 simultaneously to form specific hasp structure. Then the myoelectricity evoked potential equipment is connected with the needle core handle 4 through the quick connector, and then the puncture operation can be carried out. During the puncture process, the needle core can be directly used for real-time monitoring of induced electromyogram without replacing a conventional probe tool, thereby avoiding the loss of motor function, paralysis or weakness of lower limbs and the loss or damage of excretion function of patients caused by nerve injury by the puncture. In addition, the wound generated by the operation is small, the injury of the spinal cord and nerve roots is avoided, the operation is carried out in real time without lag, and the operation of an operator is guided in time.