CN203591306U

CN203591306U - Needle knife special for stenosing tenosynovitis operation

Info

Publication number: CN203591306U
Application number: CN201320785697.9U
Authority: CN
Inventors: 唐骅; 刘涛; 马爱兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-04
Filing date: 2013-12-04
Publication date: 2014-05-14
Anticipated expiration: 2023-12-04

Abstract

The utility model provides a needle knife special for a stenosing tenosynovitis operation. The needle knife is simple in structure and convenient to use. The needle knife special for the stenosing tenosynovitis operation comprises a slender needle knife rod and a cutting knife bit arranged at the front end of the slender needle knife rod, the rear end of the needle knife rod is provided with a handle used for holding, the side, close to the handle, of the needle knife rod is provided with an annular baffle, scales are marked on the needle knife rod, the cutting knife bit is of a hook-shaped structure shaped like a Chinese character 'hui', the inner side of the cutting knife bit and the outer side of the cutting knife bit are provided with a pulling-back knife edge and a pushing cutting knife edge, the pulling-back knife edge is of a linear structure, and it is guaranteed that the included angle between the edge line of the pulling-back knife edge and the axis of the needle knife rod is an acute angle. According to the needle knife, the purpose of problem tendon sheath loosening is rapidly and accurately achieved, the operation success rate is high, and the pain of a patient is effectively reduced.

Description

A kind of narrow tenosynovitis surgery special needle cutter

Technical field

This utility model relates to technical field of medical instruments, is specifically related to a kind of narrow tenosynovitis surgery special needle cutter.

Background technology

De Quervain's disease is mainly due to the friction repeatedly of wound or tendon; cause stndon sheath internal layer hypertrophy, fiber adhesion; even forming fibrous cartilage pathological changes is a banded narrow fibrocartilaginous ring, thereby affects the normal activity of tendon, and severe patient tendon can not slide in narrow stndon sheath.Traditional Therapeutic Method is mainly to implement open surgery or adopt pin cutter to go deep into the narrow stndon sheath of subcutaneous incision, operation process is longer, and the incidence rate of open surgery complication is high, and the anterior cutter head of now widely used conventional needle cutter is that flat structure and blade are shorter, due to hypodermic sliding, make to cut more difficult to the operative site location hook draw cut of problem stndon sheath in the time carrying out subcutaneous Tendinous sheath loosening operation, substantially depend on the experiential operating of operative doctor, often need to repeatedly locate the damage that easily causes other position, and operating time is long, more increase the misery of sufferer.

Summary of the invention

For above-mentioned technical problem, this utility model provides a kind of narrow tenosynovitis surgery special needle cutter simple in structure, easy to use, reaches the object realizing quickly and accurately problem Tendinous sheath loosening, and success rate of operation is high, effectively reduces sufferer misery.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of narrow tenosynovitis surgery special needle cutter, comprise the cutter head of slender type pin knife bar and front end thereof, pin knife bar rear end is provided with the handle for gripping, described pin knife bar is provided with ring baffle near handle one side, on pin knife bar, be labeled with graduation mark, cutter head is back-shaped hook formation, and the inner side of cutter head, outside are respectively arranged with the blade of pulling back, push away cutter sword, the blade of pulling back is linear structure, and the knife edge of pulling back line and pin knife bar axis angle guarantee as acute angle.

As preferred technical scheme, described in push away the arcuate structure that cutter sword is rounding off.

As preferred technical scheme, described handle, pin knife bar and cutter head are integral type shaping structures.

As preferred technical scheme, described handle is circular ring structure.

As preferred technical scheme, described handle is provided with anti-slip veins.

The beneficial effects of the utility model are according to known to the narration of such scheme:

The cutter head inner side of pin cutter of the present utility model, outside are respectively arranged with the blade of pulling back, push away cutter sword, the blade of pulling back is linear structure, push away the arcuate structure that cutter sword is rounding off, not only can realize quickly and accurately the cutting of adhesion stndon sheath loosens, also be applicable to the peeling off of soft tissue of large area adhesion, the more conventional pin knife structure of cutter head of back-shaped hook formation has increased the cutting mode of pulling back, make the more convenient to operate, accurate of surgical staff, reduce the misery of sufferer, and therapeutic effect is better; Meanwhile, on pin knife bar, be labeled with graduation mark, be convenient to accurately judge that pin lancination enters the degree of depth of skin, operation technique is more accurate.

Accompanying drawing explanation

Fig. 1 is the pin knife structure schematic diagram of this utility model embodiment;

In figure, be labeled as:

1, hands handle; 2, ring baffle; 3, graduation mark; 4, pin knife bar; 5, cutter head; 5.1, the blade of pulling back; 5.2, push away cutter sword.

The specific embodiment

Below in conjunction with drawings and Examples, this utility model is further illustrated:

As shown in drawings, the narrow tenosynovitis surgery special needle cutter that the present embodiment provides, comprise the cutter head 5 of slender type pin knife bar 5 and front end thereof, pin knife bar 5 rear ends are provided with the handle 1 for gripping, described pin knife bar 5 is provided with ring baffle 2 near handle 1 one sides, on pin knife bar 5, be labeled with graduation mark 3, cutter head 5 is back-shaped hook formation, the inner side of cutter head 5, outside are respectively arranged with the blade 5.1 of pulling back, push away cutter sword 5.2, pull back blade 5.1 for linear structure, and pull back blade 5.1 edge lines and pin knife bar 5 axis angles guarantee as acute angle.

In the present embodiment, described in push away the arcuate structure that cutter sword 5.2 is rounding off, pushing of the hour hands knife bar 5 of being convenient to perform the operation, prevents from skidding and departing from, and reduces the damage probability to perienchyma.

Further, described handle 1, pin knife bar 5 are integral type shaping structures with cutter head, and it is simple in structure, making is easy.

In the present embodiment, described handle 1 is circular ring structure, grips convenient stable.

Further, described handle 1 is provided with anti-slip veins, prevents from gripping shakiness pin cutter is slided, and what impact was performed the operation normally carries out.

When operation, anesthesia tailing edge tendon y direction enters pin lancination skin and pushes subcutaneous tissue, arrive after pathological changes soft tissue or stndon sheath nearside, utilization pushes away cutter sword 5.2 and peels off the soft tissue of adhesion, or do the pullback operation utilization cutting that blade 5.1 realizes stndon sheath of pulling back and loosen, thereby reach the object for the treatment of, relatively traditional surgical approaches has reduced sufferer body injury and mental pressure, shortened operating time, therapeutic effect is good.

In the above-described embodiments, preferred embodiments of the present utility model is described, obviously, under inventive concept of the present utility model, still can make a lot of variations.At this, should illustrate, any change of making under inventive concept of the present utility model all will fall in protection domain of the present utility model.

Claims

1. a narrow tenosynovitis surgery special needle cutter, comprise the cutter head of slender type pin knife bar and front end thereof, pin knife bar rear end is provided with the handle for gripping, it is characterized in that: described pin knife bar is provided with ring baffle near handle one side, on pin knife bar, be labeled with graduation mark, cutter head is back-shaped hook formation, the inner side of cutter head, outside are respectively arranged with the blade of pulling back, push away cutter sword, the blade of pulling back is linear structure, and the knife edge of pulling back line and pin knife bar axis angle guarantee as acute angle.

2. narrow tenosynovitis surgery special needle cutter according to claim 1, is characterized in that: described in push away the arcuate structure that cutter sword is rounding off.

3. narrow tenosynovitis surgery special needle cutter according to claim 1 and 2, is characterized in that: described handle, pin knife bar and cutter head are integral type shaping structures.

4. narrow tenosynovitis surgery special needle cutter according to claim 1 and 2, is characterized in that: described handle is circular ring structure.

5. narrow tenosynovitis surgery special needle cutter according to claim 4, is characterized in that: described handle is provided with anti-slip veins.