CN213993683U - Minimally invasive surgical instrument for treating carpal tunnel syndrome - Google Patents

Abstract

The utility model relates to a minimally invasive surgery instrument for treating carpal tunnel syndrome, which is characterized in that: consists of a nerve tissue protective plate head, a nerve tissue protective plate rear part and a handle; the utility model discloses a nerve tissue protection board, including nerve tissue protection board, handle, fixing pin, nerve tissue protection board rear portion be rectangle, nerve tissue protection board rear portion be connected with nerve tissue protection board head, nerve tissue protection board rear portion on be equipped with the spout, the spout on be equipped with horizontal fixed slot, handle and nerve tissue protection board rear portion between be equipped with connecting portion, connecting portion on be equipped with hinge formula and connect the rotation axis, the spout on be equipped with the slidingtype scalpel, the slidingtype scalpel constitute by blade, fixing base, handle of a knife, fixed pin. The utility model relates to an integration composite structure has solved the problem that treatment carpal tunnel syndrome does not have special apparatus, the utility model discloses simple structure, convenient to use, usage are extensive, respond well.

Description

Minimally invasive surgical instrument for treating carpal tunnel syndrome

Technical Field

The utility model relates to a medical surgical instrument for loosening animal and human tissue, in particular to a minimally invasive surgical instrument for treating carpal tunnel syndrome.

Background

Carpal tunnel syndrome is the most common disease in peripheral nerve entrapment diseases, and is manifested by numbness and pain of three half fingers on the radial side, atrophy of the thenar muscle in different degrees, limitation of the palmar function of the thumb and the like. The carpal tunnel is a bone-fibrous duct formed by a carpal bone and a flexor retinaculum, a median nerve runs in the carpal tunnel, and carpal tunnel syndrome is a disease caused by the compression of the median nerve; the transverse carpal ligament is located in the middle of the flexor retinaculum and on the palmar side of the wrist joint, and is the palmar wall of the carpal tunnel and the part which needs to be cut during the median nerve loosening operation.

At present, the carpal tunnel syndrome is mostly treated by loosening the median nerve through an operation, the traditional operation instrument has large wound, the median nerve cannot be protected, the postoperative scar is large, the recovery time is long, and the attractiveness is influenced.

Disclosure of Invention

The utility model aims at providing a minimally invasive surgery instrument for treating carpal tunnel syndrome.

The utility model aims at realizing through the following technical scheme:

the utility model discloses its characteristics lie in: the nerve tissue protection plate comprises a head part of a nerve tissue protection plate, a rear part of the nerve tissue protection plate and a handle, wherein the head part of the nerve tissue protection plate is a conical body, the tip end and the side edge of the conical body are convex round edges, the conical body is in an inclined plane shape when being observed from the side surface, the rear part of the nerve tissue protection plate is rectangular and is connected with the conical body, a sliding groove is arranged on the rear part of the nerve tissue protection plate, a transverse fixed clamping groove is arranged on the sliding groove, a connecting part is arranged between the handle and the rear part of the nerve tissue protection plate, a hinge type connecting rotating shaft is arranged on the connecting part, and the handle is connected with the rotating shaft through the hinge type connecting part to adjust the rotating angle; the hinge type connecting rotating shaft is a hollow shaft, threads are arranged in the hollow shaft, threaded rods are arranged at two ends of the hollow shaft respectively, a handle rotating cap is arranged at the end of each threaded rod, the length of the hollow shaft is slightly shorter than the transverse dimension width of the connecting part, and after the handle is rotated and adjusted to a required angle, the handle rotating cap can be rotated by hands to lock the required angle; the sliding type scalpel is arranged on the sliding groove and comprises a blade, a fixed seat, a scalpel handle and a fixed pin; the fixing base establish at the blade rear portion, the handle of a knife articulated with the fixing base, the blade be current surgical knife blade and the detachable construction connected mode of handle of a knife, the handle of a knife rear portion be T shape end, the blade can freely slide in the spout, handle of a knife can the perpendicular to protection shield free movement, the handle of a knife on be equipped with horizontal fixed pin, after the handle of a knife is set level downwards horizontal fixed pin can fall into horizontal fixed slot in to reach the gliding effect of restriction slidingtype scalpel.

The handle is provided with anti-skid lines.

The knife handle is provided with anti-skid lines.

The utility model is used for the tissue cutting that the protection below tissue is not damaged is loosened.

The utility model discloses a compare with traditional surgical instruments, the utility model discloses an integration integrated structure has solved the problem that treatment carpal tunnel syndrome does not have special instrument, can cut open transverse carpal ligament release median nerve under the little incision of wicresoft, and nervous tissue protection shield head end is taper inclined plane and most advanced and side and is the blunt separation transverse carpal ligament of being convenient for of the slick and sly not sharp of convex edge and nervous tissue and peripheral tissue of difficult damage, and the central nerve of nervous tissue protection shield and peripheral tissue can not be protected to the damage, has solved the problem that traditional surgical instruments can't protect nervous tissue, and handle and surgical knife handle have anti-skidding design, have increased the operation security, the utility model discloses can master the use method in a flexible way according to user's proficiency, the cutting of the expanded application to tissues such as other positions need protection neurovascular muscle, the utility model discloses simple structure, the utility model discloses, Convenient use, wide application and good effect.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a side view of the structure of FIG. 1;

fig. 3 is an enlarged schematic view of the structure of the scalpel in fig. 2.

In the drawings: 1 is nervous tissue protection shield head, 2 is nervous tissue protection shield rear portion, 3 is the spout, 4 are fixed slot, 5 are the handle, 6 are anti-skidding line, 7 are the hollow shaft, 8 are connecting portion, 9 are T shape end, 10 are the handle of a knife, 11 are the fixed pin, 12 are the fixing base, 13 are the blade.

Detailed Description

The best embodiment is as follows: referring to the attached drawings 1-3, the utility model comprises a nerve tissue protection plate head 1, a nerve tissue protection plate rear portion 2 and a handle 5, wherein the nerve tissue protection plate head 1 is a cone-shaped body, the tip and the side of the cone-shaped body are convex round edges, the cone-shaped body is observed from the side to be in an inclined plane shape, the nerve tissue protection plate rear portion 2 is in a rectangular shape and is connected with the cone-shaped body, a chute 3 is arranged on the nerve tissue protection plate rear portion 2, a transverse fixing clamping groove 4 is arranged on the chute 3, a connecting portion 8 is arranged between the handle 5 and the nerve tissue protection plate rear portion 2, a hinge type connecting rotating shaft is arranged on the connecting portion 8, and the handle 5 adjusts the rotating angle through the hinge type connecting rotating shaft on the connecting portion 8; the hinge type connecting rotating shaft is a hollow shaft, threads are arranged in the hollow shaft, threaded rods are arranged at two ends of the hollow shaft respectively, a handle rotating cap is arranged at the end of each threaded rod, the length of the hollow shaft is slightly shorter than the transverse dimension width of the connecting part 8, and after the handle is rotated and adjusted to a required angle, the handle rotating cap can be rotated by hands, so that the required angle can be screwed and locked; a sliding scalpel is arranged on the sliding chute 3 and consists of a blade 13, a fixed seat 12, a scalpel handle 10 and a fixed pin 11; the fixing seat 12 is arranged at the rear part of the blade 13, the knife handle 10 is hinged with the fixing seat 12, the blade 13 is in a detachable structure connection mode of the existing surgical knife blade and the surgical knife handle, and the handle 5 and the knife handle 10 are provided with anti-skid grains; the rear portion of the knife handle 10 is a T-shaped end 9, the blade 13 can freely slide back and forth in the sliding groove 3, the knife handle 10 can freely move perpendicular to the rear portion 2 of the nervous tissue protection plate, the knife handle 10 is provided with a transverse fixing pin 11, and when the knife handle 10 is placed horizontally downwards, the transverse fixing pin 11 can fall into a transverse fixing clamping groove 4, so that the effect of limiting the sliding of the slidable scalpel in the back and forth direction is achieved.

Claims (4)

1. A minimally invasive surgical instrument for treating carpal tunnel syndrome is characterized in that: consists of a nerve tissue protective plate head, a nerve tissue protective plate rear part and a handle; the back part of the nerve tissue protection plate is rectangular, the back part of the nerve tissue protection plate is connected with the head part of the nerve tissue protection plate, the back part of the nerve tissue protection plate is provided with a sliding chute, the sliding chute is provided with a transverse fixed clamping groove, a connecting part is arranged between the handle and the back part of the nerve tissue protection plate, the connecting part is provided with a hinge type connecting rotating shaft, and the handle is connected with the rotating shaft through the hinge type connecting part to adjust the rotating angle; the hinge type connecting rotating shaft is a hollow shaft, threads are arranged in the hollow shaft, threaded rods are arranged at two ends of the hollow shaft respectively, a handle rotating cap is arranged at the end of each threaded rod, the length of the hollow shaft is slightly shorter than the transverse dimension width of the connecting part, and after the handle is rotated and adjusted to a required angle, the handle rotating cap can be rotated by hands to lock the required angle; the sliding type scalpel is arranged on the sliding groove and comprises a blade, a fixed seat, a scalpel handle and a fixed pin; the fixing seat is arranged at the rear part of the blade, the handle is hinged with the fixing seat, the rear part of the handle is a T-shaped end, and the handle is provided with a transverse fixing pin.

2. The minimally invasive surgical instrument for treating carpal tunnel syndrome as set forth in claim 1, wherein: the head of the nerve tissue protection plate is a cone, the tip and the side edge of the cone are convex edges, and the cone is in an inclined plane shape when being observed from the side surface.

3. The minimally invasive surgical instrument for treating carpal tunnel syndrome as set forth in claim 1, wherein: the handle is provided with anti-skid lines.

4. The minimally invasive surgical instrument for treating carpal tunnel syndrome as set forth in claim 1, wherein: the knife handle is provided with anti-skid lines.

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