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Integrated clamp with functions of shearing and bending kirschner wire

A technology for bending Kirschner wires and Kirschner wires, which is applied in the field of integrated forceps with functions of cutting and bending Kirschner wires, and can solve problems such as long operation time

Active Publication Date: 2021-04-09
THE THIRD HOSPITAL OF HEBEI MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the problem that shortening and bending of Kirschner wires requires two-step operation and long operation time in the prior art, and provides an integrated pliers with functions of cutting and bending Kirschner wires

Method used

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  • Integrated clamp with functions of shearing and bending kirschner wire
  • Integrated clamp with functions of shearing and bending kirschner wire
  • Integrated clamp with functions of shearing and bending kirschner wire

Examples

Experimental program
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Effect test

Embodiment 1

[0045] Embodiment 1 An integrated forceps with functions of cutting and bending Kirschner wires

[0046] An integrated pliers with the function of cutting and bending Kirschner wires, which includes two 180° arc structures with overlapping parts, and a pliers handle 43 that controls the center of the arc structures to move relatively far away; it is characterized in that, A Kirschner wire is inserted into the overlapping part of the two arc structures; a shearing structure for shearing the Kirschner wires is set on the two arc structures when they move with each other; The lower end is a bending structure with a bending angle of 90°; the shearing structure includes a shearing knife 21 protruding from any one or two arcuate structures; the shearing knife 21 extends from the annular edge of the arcuate structure to the overlapping portion and the initial state of motion after the shear knife 21 extends into the overlapping part does not affect the insertion of the Kirschner wire...

Embodiment 2

[0054] Embodiment 2 An integrated forceps with functions of cutting and bending Kirschner wires

[0055] An integrated pliers with the function of cutting and bending Kirschner wires, which includes two 180° arc structures with overlapping parts, and a pliers handle 43 that controls the center of the arc structures to move relatively far away; it is characterized in that, A Kirschner wire is inserted into the overlapping part of the two arc structures; a shearing structure for shearing the Kirschner wires is set on the two arc structures when they move with each other; The lower end is a bending structure with a bending angle of 90°; the shearing structure includes a shearing knife 21 protruding from any one or two arcuate structures; the shearing knife 21 extends from the annular edge of the arcuate structure to the overlapping portion and the initial state of motion after the shear knife 21 extends into the overlapping part does not affect the insertion of the Kirschner wire...

Embodiment 3

[0064] Embodiment 3 An integrated forceps with functions of cutting and bending Kirschner wires

[0065] An integrated pliers with the function of cutting and bending Kirschner wires, which includes two 180° arc structures with overlapping parts, and a pliers handle 43 that controls the center of the arc structures to move relatively far away; it is characterized in that, A Kirschner wire is inserted into the overlapping part of the two arc structures; a shearing structure for shearing the Kirschner wires is set on the two arc structures when they move with each other; The lower end is a bending structure with a bending angle of 90°; the shearing structure includes a shearing knife 21 protruding from any one or two arcuate structures; the shearing knife 21 extends from the annular edge of the arcuate structure to the overlapping portion and the initial state of motion after the shear knife 21 extends into the overlapping part does not affect the insertion of the Kirschner wire...

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Abstract

An integrated clamp with functions of shearing and bending a kirschner wire. The clamp comprises two arc-shaped structures with overlapped parts and clamp handles for controlling the arc-shaped structures to be relatively far away from each other; the kirschner wire is inserted into the overlapped parts of the two arc-shaped structures; a shearing structure for shearing the kirschner wire during mutual movement is arranged on the two arc-shaped structures; a bending structure for enabling the lower end of the sheared kirschner wire to form a bending angle is arranged at the middle part below the two arc-shaped structures; the shearing structure is a shearing knife extending from the arc-shaped structures to the inner side; an initial motion state of a shear knife extending into the overlapped parts does not influence the extension of the kirschner wire; the two arc-shaped structures have surfaces which are in contact with each other; parallel vertical sections connected with the clamp handles are arranged on the two arc-shaped structures; when the two clamp handles move close to each other, centers of the two arc-shaped structures move away from each other; and compared with the bending structure, the shearing structure firstly contacts with the shearing kirschner wire and then bends at the contact bending structure. In the using process, shearing and bending operation can be completed after one set of action, and operation is easy and convenient.

Description

technical field [0001] The invention belongs to the technical field of medical instruments for orthopedic surgery, in particular to an instrument for shortening Kirschner wires used in orthopedic surgery involving the use of Kirschner wires, in particular to an integrated device with the functions of cutting and bending Kirschner wires. clamp. Background technique [0002] Kirschner wire is the most commonly used internal fixation needle in orthopedics, which is divided into two types: stainless steel and titanium alloy. Kirschner wires are widely used in orthopedic surgery because of their advantages of small trauma and low price. For example, in terms of adult fractures, Kirschner wires can fix fractures of short bones, such as fractures of metacarpals, metatarsals, and phalanges. In addition, common avulsion fractures or tension fractures in orthopedics are also fixed with Kirschner wires and steel wires. There is also orthopedic surgery for children. Because they are ...

Claims

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Application Information

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IPC IPC(8): A61B17/88
CPCA61B17/88A61B17/8875
Inventor 陈宇峰王鹏程任栋耿林丹
Owner THE THIRD HOSPITAL OF HEBEI MEDICAL UNIV
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