CN217244667U

CN217244667U - Stable combined bevel edge rolling knife

Info

Publication number: CN217244667U
Application number: CN202220536602.9U
Authority: CN
Inventors: 王宏法
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-08-23
Anticipated expiration: 2032-03-10

Abstract

The utility model provides a stable form combination formula bevel connection book sword belongs to medical instrument technical field. It has solved the relatively poor problem of stability of current bevel connection book sword. This bevel connection book sword passes the through-hole of work syringe needle through the stabilizing part through setting up long banding stabilizing part on the handle of a knife, reduces the inside bacterial growing of work syringe needle when improving work syringe needle job stabilization nature.

Description

Stable combined bevel edge rolling knife

Technical Field

The utility model belongs to the technical field of medical instrument, a stable form combination formula bevel connection book sword is related to.

Background

The bevel edge rolling knife is a special tool for treating flexor tendon stenosing tenosynovitis and performing minimally invasive relaxation treatment on stenotic lesions of tenosynovechicle, the size and the length of the bevel edge rolling knife are similar to those of an acupuncture needle, but the tip end of the bevel edge rolling knife is blade-shaped, so that the cutting relaxation operation can be performed, and the bevel edge rolling knife has the effects of traditional Chinese medicine acupuncture and moxibustion and the characteristics of a scalpel.

Such as chinese patent application No.: 201020697269 discloses a side-edge needle knife, which comprises a handle, a holding handle fixed at the front end of the handle and a strip-shaped handle rod fixed at the front end of the holding handle, wherein the front end of the handle rod is an obliquely arranged knife point, and two sides of the knife point are oblique side edges.

The long-strip handle rod enables the oblique side blade to be wider in subcutaneous moving space, but the handle rod is subjected to bending action force when the oblique side blade cuts human tissues, can be bent and deformed after being stressed for a long time, is poor in stability and is inconvenient for a doctor to operate.

Disclosure of Invention

The utility model discloses a there is above-mentioned problem to current technique, has proposed stable form combination formula bevel connection rolling up the sword, the utility model aims to solve the technical problem that: the stability of the existing bevel edge rolling knife is poor.

The purpose of the utility model can be realized by the following technical proposal: stable form combination formula bevel connection book sword, including handle of a knife and the work syringe needle that is used for cutting human tissue, its characterized in that, the work syringe needle is rectangular form, the through-hole has been seted up along axial run-through on the work syringe needle, the one end of handle of a knife has convex stabilizing part, stabilizing part inserts and establishes in the through-hole and shutoff through-hole.

This bevel connection book sword is used for the minimal access surgery, this application sets up convex stabilizing part through the one end at the handle of a knife, insert through stabilizing part and establish in the through-hole, stabilizing part supports the work syringe needle in the work syringe needle, resist the effort that makes its deformation that the work syringe needle received jointly, guarantee the stability of work syringe needle during operation, stabilizing part plugs up the through-hole simultaneously, can reduce bacterial growing, and stabilizing part passes from work syringe needle inside moreover, and is not leaked outward, then can not interfere the work of work syringe needle.

In the above-mentioned stable form combination formula bevel connection sharpener, the both ends of stabilizer shutoff to through-hole, the work end terminal surface of work syringe needle has the tip that protrudes and be sharp. Insert the both ends shutoff of establishing the through-hole of the stabilizing part in the through-hole, eliminate the disinfection dead angle, further avoid bacterial growing in the through-hole, and the stabilizing part is longer, it is better to the supporting effect of working needle head, can strengthen the structural strength of working needle head more, resist working needle head deformation, guarantee stability in use, the tip that is the point form simultaneously is used for impaling human skin, the through-hole that runs through the working needle head makes the working needle head be the tube-shape, the tip is protruding from the working end terminal surface of working needle head, the stabilizing part is the inner wall with the both ends shutoff of through-hole and can not shutoff to the tip promptly, can cut smoothly with the assurance tip.

In foretell combination formula bevel connection book sword of stable form, the one end that is close to the handle of a knife on the work syringe needle is provided with the reinforcement, the reinforcement is connected and can resist the deformation of steady portion with the steady portion. The steady portion supports restriction work syringe needle bending deformation in the work syringe needle, the synchronous atress of steady portion in the time of the work syringe needle atress, the long term atress of steady portion also has bending deformation's possibility, through set up the reinforcement between work syringe needle and steady portion, through the structural strength of reinforcement increase steady portion, resist steady portion deformation jointly, guarantee stable in structure, the reinforcement setting is between work syringe needle and steady portion simultaneously, can improve the stability of connecting between the two.

In the above-mentioned stable form combination formula bevel connection rolling sword, the reinforcement is the tube-shape, the one end cover of reinforcement is established and is close to the one end of handle of a knife on the working needle head, and another pot head is established at the inner of steady portion and reinforcement energy band moves working needle head and rotates around the steady portion. The reinforcement sets up on work syringe needle and steadying portion, makes zonulae occludens between the two, improves both hookup location's structural strength simultaneously, adopts the reinforcement of tube-shape, and the dismouting of being convenient for is changed the work syringe needle, saves use cost, and the reinforcement can move the work syringe needle and rotate around the steadying portion, and the user can use the rotatory reinforcement according to self, makes the direction of the orientation person of facilitating the use operation of work syringe needle top, improves the travelling comfort.

In the stable combined beveled edge sharpener, the inner end of the stabilizing part is fixed with a limiting claw which can be clamped with the reinforcement and limit the rotation of the reinforcement. The reinforcing part can rotate around the stabilizing part, the limiting clamping jaws are additionally arranged at the inner end of the stabilizing part, the reinforcing part is limited to rotate by the limiting clamping jaws, and the stability of the working needle head in use is guaranteed.

In foretell stable form combination formula bevel connection book sword, the outer peripheral face of reinforcement has a plurality of limiting grooves that inwards indent and arrange along reinforcement circumference for gradually diminishing conical surface from the inner towards the outer end of steady portion on the outer peripheral face of reinforcement, spacing jack catch includes a plurality of claw portions of making by elastic material and setting up along the circumference interval, and the inner wall of a plurality of claw portions is the conical surface that gradually enlarges from the inner towards the outer end of steady portion, and is a plurality of claw portion can go into limiting groove restriction reinforcement rotation through elastic deformation card. The reinforcing piece is around the rotatory certain angle back of stable portion, and the claw of spacing jack catch can block the spacing inslot restriction reinforcing piece that the reinforcing piece rotated, and the claw that elastic material made outwards expands earlier at the initial stage of block spacing groove, then stretches into along with lasting of claw, and the claw resumes deformation to form the location with the reinforcing piece, this structure, easy operation and convenience.

In the stable combined beveled edge rolling knife, the bottom of each limiting groove is provided with a clamping groove which is inwards concave, and the claw part is provided with a convex block which is convex and can be clamped into the clamping groove. The stability of cooperation between reinforcement and the spacing jack catch is increased through the cooperation of lug and draw-in groove, further improves the reliability of being connected between reinforcement and the stable portion.

In foretell combination formula bevel connection book sword of stable form, the reinforcement is including fixing the installation piece that is close to handle of a knife one end on the working needle head and fixing the cooperation piece on the stabilizing part, be provided with the cooperation structure that makes installation piece and cooperation piece location between installation piece and the cooperation piece. The installation block and the matching block which are additionally arranged on the working needle head and the stabilizing part are matched with each other after positioning to form a whole, so that the structural strength of the stabilizing part can be improved, and the deformation of the stabilizing part is limited.

In the stable combined beveled edge sharpener, the matching structure comprises a positioning groove formed in the side surface of the mounting block and a positioning block protruding from the side surface of the matching block, and the positioning block is embedded into the positioning groove. The locating piece can form the location between work syringe needle and the handle of a knife in the constant head tank by automatic insertion when the through-hole is inserted to the stabilizing part, convenient operation, and the rotatory effort that work syringe needle and stabilizing part received can be offset to the locating piece after the cooperation location, ensures the stable connection between the two. The cooperation structure still can be for articulating on the locating piece and be annular buckle, can make buckle lock joint outside the installation piece through rotatory buckle, makes installation piece and locating piece cooperation location, forms the structure that resists the deformation of steady part.

In the stable combined bevel connection rolling knife, the length of the knife handle is greater than that of the working needle. The handle of a knife supplies the user to hold between the fingers, and work syringe needle work cutting through designing the handle of a knife for this bevel connection book sword constitutes laborsaving lever when using, uses can be more laborsaving.

Compared with the prior art, this stable form combination formula bevel connection book sword has following advantage:

1. this oblique mouthful of rolling up work syringe needle of sword can adopt syringe needle model integrated into one piece on the present syringe, save model manufacturing cost, because the syringe needle is from the through-hole that supplies the liquid medicine to pass through in the area, consequently this scheme is through addding the through-hole that the stable portion passes through the stable portion and insert the work syringe needle on the handle of a knife, make stable portion strengthen work syringe needle structural strength, shutoff through-hole when avoiding its bending deformation, foster the bacterium in avoiding the through-hole, improve the stability of work syringe needle at the during operation greatly.

2. The both ends of stabilizer shutoff to through-hole effectively avoid the interior bacterial growing of through-hole, guarantee the security of using.

3. The reinforcing piece is added between the stabilizing part and the working needle head, and can limit the swinging of the stabilizing part and enhance the stability of the stabilizing part.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a sectional view a-a in fig. 2.

Fig. 4 is a schematic perspective view of the second embodiment.

Fig. 5 is a cross-sectional view of fig. 4.

In the figure, 1, a knife handle; 1a, a stabilizing section; 2. a working needle head; 2a, a through hole; 2b, a tip; 3. a reinforcement; 3a, a limiting groove; 3a1, a card slot 4 and an installation block; 4a, a positioning groove; 5. a matching block; 5a, positioning blocks; 6. a limiting jaw; 6a, a claw part; 6a1, bumps; 6b, a base.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

The first embodiment is as follows:

as shown in figure 1, the bevel mouth rolling knife comprises a knife handle 1 and a working needle 2 which are both in a strip shape, one end of the working needle 2 is provided with a tip 2b which protrudes and is in a tip shape, two protruding side edges of the tip 2b are both in a blade shape so as to be convenient for cutting skin tissues, as shown in figure 3, the working needle 2 is provided with a through hole 2a which axially penetrates through two ends, one end of the knife handle 1 is provided with a stabilizing part 1a which protrudes and is in a strip shape, the stabilizing part 1a is inserted and blocked in the through hole 2a, in order to ensure safety, the stabilizing part 1a is blocked to two ends of the through hole 2a but does not extend into the tip position, one end of the working needle 2 close to the knife handle is sleeved with a cylindrical reinforcing part 3, the other end of the reinforcing part 3 is sleeved on the inner end of the stabilizing part 1a, the structural strength of the inner end of the stabilizing part 1a is improved through the reinforcing part 3, the bending deformation of the stabilizing part 1a is avoided, and the reinforcing part 3 is fixedly connected with the working needle 2, the reinforcing piece 3 can drive the working needle 2 to rotate around the stabilizing part 1a, the outer peripheral surface of the reinforcing piece 3 is gradually reduced from the inner end to the outer end of the stabilizing part 1a, the outer peripheral surface of the reinforcing piece 3 is provided with a plurality of limiting grooves 3a which are inwards concave and are arranged along the circumferential direction of the reinforcing piece 3, the groove bottom of each limiting groove 3a is provided with a clamping groove 3a1 which is inwards concave, the reinforcing piece 3 is fixedly connected with the working needle 2, the reinforcing piece 3 can drive the working needle 2 to rotate around the stabilizing part 1a, the inner end of the stabilizing part 1a is fixedly provided with a limiting claw 6 made of elastic material, the limiting claw 6 comprises a cylindrical base 6b and a plurality of claw parts 6a which are convex from one end of the base 6b, the plurality of claw parts 6a are arranged along the circumferential direction, the inner walls of the plurality of claw parts 6a are conical surfaces which are gradually enlarged from the inner end to the outer end of the stabilizing part 1a, each claw part 6a is provided with a convex block 6a1 which can be clamped into the clamping groove 3a1, in the process of clamping the claw part 6a of the limiting claw 6 into the limiting groove 3a, the claw part 6a is gradually expanded outwards through elastic deformation, then along with stroke pushing, the claw part 6a recovers deformation until the bump 6a1 is clamped into the clamping groove 3a1 to enable the claw part 6a to be positioned with the reinforcing part 3, after the rotation angle of the reinforcing part 3 is determined, the limiting claw 6 is clamped into the limiting groove 3a through the claw 6a to limit the reinforcing part 3, when the reinforcing part 3 needs to be adjusted, the reinforcing part 6a is also separated from the reinforcing part 3 through elastic deformation of the claw part 6a, then the reinforcing part 3 is rotated, after adjustment is finished, the claw part 6a is clamped into the limiting groove 3a to achieve positioning of the reinforcing part and the reinforcing part, the reinforcing part 3 can enhance the connection tightness between the working head and the stabilizing part 1a, and the use stability is guaranteed. The length of the knife handle 1 is larger than that of the working needle 2, so that the operation and use of a user are facilitated.

The handle of a knife 1 adopts the material that current cylinder used to make in this embodiment, reduces manufacturing cost, and work syringe needle 2 adopts the material that current scalpel blade used, the disinfection of being convenient for, and work syringe needle 2 can adopt current 20ml syringe needle mould shaping in this embodiment, saves mould manufacturing cost.

Example two:

the structure and principle of this embodiment are basically the same as those of the first embodiment, and the difference lies in: as shown in fig. 4 and 5, the reinforcing member 3 is a block-shaped mounting block 4 fixed to one end of the working needle 2 close to the holder 1 and a block-shaped fitting block 5 fixed to the inner end of the stabilizing portion 1a, the mounting block 4 and the fitting block 5 are opposite in position, a concave positioning groove 4a is formed in a side surface of the mounting block 4 opposite to the fitting block 5, a convex positioning block 5a is formed in a position of the fitting block 5 opposite to the positioning groove 4a, and the positioning block 5a is embedded in the positioning groove 4a to form positioning between the mounting block 4 and the fitting block 5, so that an acting force for bending and deforming the inner end can be resisted together with the stabilizing portion 1 a.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms knife handle, working needle, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims

1. Stable form combination formula bevel connection book sword, including handle of a knife (1) and work syringe needle (2) that are used for cutting human tissue, its characterized in that, work syringe needle (2) are rectangular form, through-hole (2a) have been seted up along axial run-through on work syringe needle (2), the one end of handle of a knife (1) has convex steadying portion (1a), steadying portion (1a) are inserted and are established in through-hole (2a) and shutoff through-hole (2 a).

2. The stable combined bevel edge sharpener according to claim 1, wherein said stabilizer (1a) is sealed to both ends of the through hole (2a), and the working end surface of said working needle (2) has a pointed tip (2b) protruding and pointed.

3. A stable combined bevel edge sharpener according to claim 1 or 2, characterised in that a reinforcement (3) is provided at the end of the working needle (2) close to the handle (1), said reinforcement (3) being connected to the stabilizing part (1a) and being able to resist deformation of the stabilizing part (1 a).

4. The stable combined bevel edge sharpener according to claim 3, wherein the reinforcement (3) is cylindrical, one end of the reinforcement (3) is sleeved on the working needle (2) near the handle (1), the other end of the reinforcement is sleeved on the inner end of the stabilizing part (1a), and the reinforcement (3) can drive the working needle (2) to rotate around the stabilizing part (1 a).

5. The stable combined bevel edge sharpener according to claim 4, wherein the inner end of the stabilizing part (1a) is fixed with a limiting claw (6) which can be clamped with the reinforcement (3) and limit the rotation of the reinforcement (3).

6. The stable combined bevel edge sharpener according to claim 5, wherein the outer peripheral surface of the reinforcing part (3) is a conical surface gradually reduced from the inner end of the stabilizing part (1a) to the outer end, a plurality of limiting grooves (3a) which are recessed inwards and arranged along the circumferential direction of the reinforcing part (3) are formed in the outer peripheral surface of the reinforcing part (3), each limiting claw (6) comprises a plurality of claws (6a) which are made of elastic materials and arranged along the circumferential direction, the inner walls of the claws (6a) are conical surfaces gradually increased from the inner end of the stabilizing part (1a) to the outer end, and the claws (6a) can be clamped into the limiting grooves (3a) through elastic deformation to limit the rotation of the reinforcing part (3).

7. The stable type combined bevel edge rolling knife according to claim 6, wherein the bottom of each limiting groove (3a) is provided with a clamping groove (3a1) which is concave inwards, and each claw part (6a) is provided with a convex block (6a1) which is convex and can be clamped into the clamping groove (3a 1).

8. A stable combined bevel edge sharpener according to claim 3, wherein said reinforcement member (3) comprises a mounting block (4) fixed to the working needle (2) near one end of the handle (1) and a mating block (5) fixed to the stabilizing portion (1a), and a mating structure for positioning the mounting block (4) and the mating block (5) is provided between the mounting block (4) and the mating block (5).

9. The stable type combined bezel-curling knife according to claim 8, wherein said fitting structure comprises a positioning groove (4a) opened on the side of the mounting block (4) and a positioning block (5a) protruding from the side of the fitting block (5), said positioning block (5a) being embedded in the positioning groove (4 a).

10. A stable combined bevel edge sharpener according to claim 1 or 2, characterised in that the length of the handle (1) is greater than the length of the working needle (2).