CN209808511U

CN209808511U - Kirschner wire bending forceps

Info

Publication number: CN209808511U
Application number: CN201920248699.1U
Authority: CN
Inventors: 罗翼; 屠重棋; 巫丽娟
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2019-12-20
Anticipated expiration: 2029-02-27

Abstract

The utility model discloses a kirschner wire bending forceps, which comprises a forceps body a and a forceps body b which are hinged with each other; the clamp head a of the clamp body a is provided with a bending groove, the clamping surface of the clamp head a is provided with a fixing groove, the fixing groove is vertical to the clamp body a, the fixing groove is matched with a Kirschner wire, and the fixing groove penetrates through the middle part of the bending groove; the clamp head b of the clamp body b is provided with a bending bulge, the bending bulge is matched with the bending groove, and when the clamp head a and the clamp head b are attached, a gap exists between the surface of the bending bulge and the surface of the bending groove. The utility model discloses can simplify the operation of bending, the difficult slippage of in-process ke shi needle of bending is bent effectually.

Description

Kirschner wire bending forceps

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a kirschner wire pincers of bending.

Background

The Kirschner wire bending forceps are used as a basic medical instrument and widely applied to the operation of orthopedic surgery, and in the actual operation, the Kirschner wire bending forceps are used for bending the Kirschner wire exposed out of a bone to prevent the sharp tail end from damaging surrounding soft tissues.

In the internal fixation operation of fracture, the kirschner wire is used as a commonly used auxiliary reduction fixing instrument to provide great convenience for the orthopedic operation, but the defects of peripheral soft tissue damage, displacement and the like exist in the operation, and in order to solve the problem, an instrument is needed to bend the exposed kirschner wire and embed the kirschner wire under the skin. At present, most doctors select common wire cutters to clamp the kirschner wires and bend the kirschner wires forcibly, and the mode is time-consuming and labor-consuming and can cause other tissue injuries.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a kirschner wire pincers of bending can simplify the operation of bending, and the difficult slippage of in-process kirschner wire of bending is bent effectually.

In order to achieve the purpose, the utility model adopts the following technical proposal to realize:

the utility model discloses a kirschner wire bending forceps, which comprises a forceps body a and a forceps body b which are hinged with each other; the clamp head a of the clamp body a is provided with a bending groove, the clamping surface of the clamp head a is provided with a fixing groove, the fixing groove is vertical to the clamp body a, the fixing groove is matched with a Kirschner wire, and the fixing groove penetrates through the middle part of the bending groove; the clamp head b of the clamp body b is provided with a bending bulge, the bending bulge is matched with the bending groove, when the clamp head a is attached to the clamp head b, a gap exists between the surface of the bending bulge and the surface of the bending groove, and the thickness of the bending bulge is equal to that of the clamp head b.

Preferably, the fixing groove is a semicircle with a radius of 2 mm.

Preferably, the gap between the surface of the bending protrusion and the surface of the bending groove is 1 mm.

Preferably, the bending bulge is fixedly connected with the tong head b.

Preferably, the bending bulge is connected with the binding clip b in a sliding manner, the binding clip b is provided with a driving roller, and the driving roller is connected with the binding clip b through a transmission mechanism in a transmission manner.

Preferably, the transmission mechanism comprises a transmission rod a and a transmission rod b, one end of the transmission rod a is fixedly connected with the driving roller, the other end of the transmission rod a is provided with a driving gear a, one end of the transmission rod b is provided with a driving gear b, the driving gear a is matched with the driving gear b, and the other end of the transmission rod b is in threaded connection with the bending bulge.

Preferably, the bending groove penetrates through the binding clip a.

Preferably, the bottom of the bent bulge is provided with a positioning groove which is parallel to the fixing groove.

Preferably, a rebound device is arranged between the clamp body a and the clamp body b.

The utility model has the advantages that:

1. the utility model discloses the operation of bending of ke shi needle can be simplified.

2. The utility model discloses when the kirschner wire of bending, the fixed slot can effectively be fixed the kirschner wire, prevents the slippage, and it is effectual to bend.

3. The utility model discloses can also adjust the bellied height of bending, the multiple bending angle of adaptation.

Drawings

FIG. 1 is a schematic diagram of a first embodiment;

FIG. 2 is an enlarged view of the portion C in FIG. 1;

FIG. 3 is a cross-sectional view taken in the direction A of FIG. 1 with a jaw closed according to one embodiment;

FIG. 4 is a schematic view of the second embodiment;

FIG. 5 is an enlarged view of portion D of FIG. 4;

fig. 6 is a cross-sectional view taken along the direction B in fig. 4 when the second jaw is closed according to the embodiment.

In the figure: 1-a binding clip b, 2-a driving gear b, 3-a bending protrusion, 4-a fixing groove, 5-a binding clip a, 6-a binding clip b, 7-a binding clip a, 8-a bending groove, 9-a driving roller, 10-a driving rod a, 11-a driving rod b, 12-a positioning groove and 13-a driving gear a.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.

1-3, one embodiment includes a jaw body a7 and a jaw body b6 hinged to each other; a bending groove 8 is formed in a forceps head a5 of the forceps body a7, a fixing groove 4 is formed in the clamping surface of the forceps head a5, the fixing groove 4 is perpendicular to the forceps body a7, the fixing groove 4 is matched with a Kirschner wire, and the fixing groove 4 penetrates through the middle of the bending groove 8; binding clip b1 of pincers body b6 sets up the arch 3 of bending, the protruding 3 adaptation of bending the recess 8, when binding clip a5 and binding clip b1 pasted, bend protruding 3 surface with there is the clearance between the recess 8 surface of bending, fixed slot 4 is radius 2 mm's semicircle, bend protruding 3 surface with the clearance is 1mm between the recess 8 surface of bending, bend protruding 3 with binding clip b1 thickness equals, it links firmly to bend protruding 3 binding clip b1, set up resilient means between pincers body a7 and the pincers body b 6.

As shown in fig. 4-6, the difference between the second embodiment and the first embodiment is that the bending protrusion 3 is slidably connected to the jaw b1, the jaw b1 is provided with a driving roller 9, the driving roller 9 is in transmission connection with the jaw b1 through a transmission mechanism, the transmission mechanism includes a transmission rod a10 and a transmission rod b11, one end of the transmission rod a10 is fixedly connected to the driving roller 9, the other end of the transmission rod a10 is provided with a driving gear a13, one end of the transmission rod b11 is provided with a driving gear b2, the driving gear a13 is adapted to the driving gear b2, the other end of the transmission rod b11 is in threaded connection with the bending protrusion 3, and the bending groove 8 penetrates through the jaw a 5.

Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.

Claims

1. The utility model provides a ke shi needle pincers of bending which characterized in that: comprises a clamp body a (7) and a clamp body b (6) which are hinged with each other;

a bending groove (8) is formed in a clamp head a (5) of the clamp body a (7), a fixing groove (4) is formed in the clamping surface of the clamp head a (5), the fixing groove (4) is perpendicular to the clamp body a (7), the fixing groove (4) is matched with a Kirschner wire, and the fixing groove (4) penetrates through the middle of the bending groove (8);

the bending device is characterized in that a bending protrusion (3) is arranged on a binding clip b (1) of the binding clip b (6), the bending protrusion (3) is matched with the bending groove (8), when the binding clip a (5) is attached to the binding clip b (1), a gap exists between the surface of the bending protrusion (3) and the surface of the bending groove (8), and the thickness of the bending protrusion (3) is equal to that of the binding clip b (1).

2. The kirschner wire bending forceps of claim 1, wherein: the bending bulge (3) is fixedly connected with the tong head b (1).

3. The kirschner wire bending forceps of claim 1, wherein: the bending bulge (3) is connected with the tong head b (1) in a sliding mode, the tong head b (1) is provided with a driving roller (9), and the driving roller (9) is connected with the tong head b (1) through a transmission mechanism in a transmission mode.

4. The kirschner wire bending forceps of claim 3, wherein: the transmission mechanism comprises a transmission rod a (10) and a transmission rod b (11), one end of the transmission rod a (10) is fixedly connected with the driving roller (9), the other end of the transmission rod a (10) is provided with a driving gear a (13), one end of the transmission rod b (11) is provided with a driving gear b (2), the driving gear a (13) is matched with the driving gear b (2), and the other end of the transmission rod b (11) is in threaded connection with the bending protrusion (3).

5. The kirschner wire bending forceps of claim 4, wherein: the bending groove (8) penetrates through the tong head a (5).

6. The kirschner wire bending forceps of claim 5, wherein: the bottom of the bending bulge (3) is provided with a positioning groove (12), and the positioning groove (12) is parallel to the fixing groove (4).

7. The kirschner wire bending forceps according to any one of claims 1 to 6, wherein: and a rebound device is arranged between the clamp body a (7) and the clamp body b (6).

8. The kirschner wire bending forceps of claim 7, wherein: the fixing groove (4) is in a semicircular shape with the radius of 2 mm.

9. The kirschner wire bending forceps of claim 2, wherein: the gap between the surface of the bending protrusion (3) and the surface of the bending groove (8) is 1 mm.