CN216394188U

CN216394188U - Small needle knife

Info

Publication number: CN216394188U
Application number: CN202023092463.5U
Authority: CN
Inventors: 宫小虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2022-04-29
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a small needle knife which comprises a knife body and a knife handle, wherein the knife body is arranged in the knife handle, a bent knife head is integrally formed at one end of the knife body penetrating through the knife handle, the knife handle is cuboid, an operator can hold and exert force more conveniently, and the knife head is J-shaped. So that after the needle point reaches the surface of the bone, the operating hand holds and slightly presses the needle to draw and scratch a ditch which enters the bone cortex with the depth of about 1mm and the length of about 1cm on the bone, the operation is safe, a clinician does not have the worry of over-deep acupuncture of the traditional needle knife, and the operation is simple and easy to learn. The 'drawing and stroking' action is simple and easy to learn and hold.

Description

Small needle knife

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a J-shaped small needle knife.

Background

The small needle knife is a closed instrument similar to a needle and a knife in shape and comprises a needle handle, a needle rod and a knife head. It integrates the needle of traditional Chinese medicine acupuncture therapy and the knife of western medicine operation therapy into a whole, and is a closed operation instrument with two functions of needle and knife. The traditional small needle knife has wide applicability and very important clinical effect, but has the following problems:

1. the clinical technical actions such as soft tissue peeling, adhesion loosening and the like are large. Because of the needling operation, the one-time loosening width is only limited to the width of the blade. The action amount is large, the operation times are multiple, the clinical operation time is long, and the psychological burden and the physical burden of a patient are heavy. Meanwhile, the operation time of a doctor is long, and the treatment efficiency is reduced. Accordingly, it also causes a great trauma and a great postoperative reaction.

2. Due to the shape limitation of the small needle knife, the small needle knife can not be well applied to the bone surface and soft tissues close to the surface, such as periosteum and the like.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a small needle knife to solve the problems set forth above in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a small needle knife, includes cutter body and handle of a knife, be equipped with the cutter body in the handle of a knife, the one end integrated into one piece that the cutter body runs through the handle of a knife has the tool bit of the form of bending.

Preferably, the handle of a knife includes two semi-shells, one be equipped with the card hole on the lateral wall of semi-shell, the opposite side be equipped with on the lateral wall of semi-shell with the card protruding of card hole cooperation use, two the outside cover of semi-shell is equipped with an antiskid cover, and the semi-shell corresponds the setting position of antiskid cover and all is equipped with the recess of placing that is used for installing the antiskid cover.

Preferably, one end of the outer surface of the anti-slip sleeve, which is far away from the cutter head, is provided with an auxiliary convex rib.

Preferably, the part of the cutter body located in the cutter handle is provided with a plurality of anti-displacement grooves, and anti-displacement clamping strips matched with the anti-displacement grooves are arranged on the side wall of the cutter handle.

Preferably, the width of the shank is at least 4 times the diameter of the tool body.

Preferably, the cutter body and the cutter head are both made of 304 stainless steel structures.

Compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the utility model provides a small needle knife which comprises the following components:

firstly, the handle of a knife is the cuboid, is more favorable to the operator to hold and exert force.

Secondly, in appearance, the main body is J-shaped. So that the knife head reaches the surface of the bone, the hand is operated to hold and press the knife head slightly, and a groove with the depth of about 1mm and the length of about 1cm is drawn and scribed on the bone.

Thirdly, the cutter head is suitable for the requirement of ' bone entering ', the cutter head and the cutter body are integrally formed, the material is rigid, and the treatment of the cutter head is more suitable for the requirement of ' bone entering

Fourthly, the operation is safe, and the clinician does not have the worry of the deep acupuncture of the traditional needle knife.

And fifthly, the drawing and stroking actions are simple and easy to learn, and the drawing and stroking actions are simple and easy to learn and grasp.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of the present invention without the anti-slip cover;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the internal structure of the present invention.

In the figure: 1-knife body, 11-displacement prevention groove, 2-knife handle, 21-half shell, 22-clamping hole, 23-clamping protrusion, 24-placing groove, 25-displacement prevention clamping strip, 3-knife head, 4-anti-slip sleeve and 41-auxiliary convex edge.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a little needle sword, includes cutter body 1 and handle of a knife 2, be equipped with cutter body 1 in the handle of a knife 2, cutter body 1 runs through the one end integrated into one piece of handle of a knife 2 has the tool bit 3 of the form of bending.

Particularly, the handle of a knife 2 includes two semi-shells 21, one be equipped with card hole 22 on semi-shell 21's the lateral wall, the opposite side be equipped with on semi-shell 21's the lateral wall with card hole 22 cooperation use card protruding 23, two semi-shell 21's outside cover is equipped with an antiskid cover 4, and semi-shell 21 corresponds the setting position of antiskid cover 4 and all is equipped with the recess 24 of placing that is used for installing antiskid cover 4, and the length of card protruding 23 slightly is greater than the degree of depth of card hole 22, when replacing the accessory, takes off antiskid cover 4, then releases card protruding 23 from card hole 22, makes two semi-shells 21 separately, and the surface of antiskid cover 4 is equipped with anti-skidding line.

Specifically, the outer surface of the anti-slip sleeve 4 is provided with an auxiliary rib 41 at an end away from the cutter head 3, so that a force application point can be provided when the anti-slip sleeve 4 is detached or installed.

Particularly, the part that cutter body 1 is located handle of a knife 2 is equipped with a plurality of and prevents displacement groove 11, be equipped with on the lateral wall of handle of a knife 2 with prevent displacement groove 11 cooperation use prevent displacement card strip 25, firstly, can prevent that cutter body 1 from sliding in handle of a knife 2, cause danger, the second can be according to the user demand, the extension or shorten the length that cutter body 1 stretches out handle of a knife 2.

Particularly, the width of handle of a knife 2 is 4 times of cutter body 1 diameter at least, and handle of a knife 2 is the cuboid, more does benefit to the operator and holds and exert oneself.

Specifically, the cutter body 1 and the cutter head 3 are both of 304 stainless steel structure.

The working principle is as follows: when the utility model is used, the cutter head 3 extends into a human body and easily enters bones to complete the drawing operation on the bone surfaces; meanwhile, the 'pull and scratch' operation is carried out, the soft tissue attached to the bone surface comprises the 'periosteum' and the like, the length of more than 1cm is loosened, the effect that the traditional needle knife cannot effectively interfere with the periosteum is achieved, when the knife body 1 or the knife handle 2 is replaced, the anti-slip sleeve 4 slides out to one side of the knife handle 2, then the two half shells 21 are separated, the knife body 1 is taken out, and accessories are replaced.

In the description of the present invention, unless otherwise specifically defined and limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed, and the meaning of the terms in the present invention is to be specifically understood by those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a little needle sword, includes cutter body (1) and handle of a knife (2), its characterized in that: a cutter body (1) is arranged in the cutter handle (2), and a bent cutter head (3) is integrally formed at one end of the cutter body (1) penetrating through the cutter handle (2);

handle of a knife (2) are including two half shells (21), one be equipped with card hole (22) on the lateral wall of half shell (21), the opposite side be equipped with on the lateral wall of half shell (21) with card protruding (23) of card that hole (22) cooperation was used, two the outside cover of half shell (21) is equipped with one antiskid cover (4), and half shell (21) correspond the position that sets up of antiskid cover (4) and all be equipped with placing recess (24) that are used for installing antiskid cover (4).

2. The small needle knife of claim 1, wherein: and an auxiliary convex rib (41) is arranged at one end of the outer surface of the anti-slip sleeve (4) far away from the cutter head (3).

3. The small needle knife of claim 1, wherein: the cutter body (1) is located the part in handle of a knife (2) and is equipped with a plurality of and prevents displacement groove (11), be equipped with on the lateral wall of handle of a knife (2) with prevent displacement groove (11) cooperation use prevent displacement card strip (25).

4. The small needle knife of claim 1, wherein: the width of the knife handle (2) is at least 4 times of the diameter of the knife body (1).

5. The small needle knife of claim 1, wherein: the knife body (1) and the knife head (3) are both in 304 stainless steel structures.