CN212574949U

CN212574949U - Asymmetric point type pincers that reset

Info

Publication number: CN212574949U
Application number: CN202020112113.1U
Authority: CN
Inventors: 傅德皓; 肖宝钧; 刘松相; 李锐; 刘国辉; 杨述华
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2021-02-23
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses an asymmetric point type pincers that reset, including first tong arm and second tong arm, first tong arm middle part is articulated through the round pin axle with second tong arm middle part, first tong arm front end is flat linear and its inboard is equipped with anti-skidding line, second tong arm front end is equipped with the guide post, is equipped with the guiding hole that runs through both ends about it in the guide post, the guiding hole is the round platform form, and the diameter of guiding hole left end is less than the diameter of its right-hand member, the diameter of guiding hole left end is 1.5-2.5mm, be equipped with the side fluting that runs through guiding hole pore wall and guide post outer wall on the guide post, the grooved width of side is not less than 1.5 mm. Compared with the prior art, the asymmetric point type reduction forceps respectively design the front ends of the two forceps arms into a plane and a sleeve, the two forceps arms are more beneficial to clamping after being folded in a point-surface combination mode, and the guide function can be synchronously realized.

Description

Asymmetric point type pincers that reset

Technical Field

The utility model relates to the technical field of orthopedic medical equipment, in particular to an asymmetric point type reduction forceps.

Background

The pincers that reset play the effect of interim fixed and maintaining the fracture counterpoint alignment line when the bone wound resets, simple structure, convenient to use, traditional pincers that reset are symmetrical structure mostly, like two dot-type tong arms, the operability is better, nevertheless is unfavorable for the centre gripping, like double-sided tong arm, does benefit to the centre gripping, but the operability is relatively poor. In addition, although the traditional reduction forceps have the reduction function, the forceps arms of the traditional reduction forceps occupy the optimal needle insertion point and influence the needle insertion angle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art current situation, provide an asymmetric point type pincers that reset, design two tong arm front ends respectively for plane and sleeve, the form that the point face combines makes two tong arms fold the back and more do benefit to the centre gripping, can realize the direction function in step moreover.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an asymmetric point type pincers that reset, includes first tong arm and second tong arm, first tong arm middle part is articulated through the round pin axle with second tong arm middle part, first tong arm front end is flat linear and its inboard is equipped with anti-skidding line, second tong arm front end is equipped with the guide post, is equipped with the guiding hole that runs through both ends about it in the guide post.

Furthermore, the guide hole is in a circular truncated cone shape, and the diameter of the left end of the guide hole is smaller than that of the right end of the guide hole.

Further, the diameter of the left end of the guide hole is 1.5-2.5 mm.

Furthermore, the guide post is provided with a side slot which penetrates through the wall of the guide hole and the outer wall of the guide post, and the width of the side slot is not less than 1.5 mm.

The utility model has the advantages that:

compared with the prior art, the asymmetric point type reduction forceps respectively design the front ends of the two forceps arms into a plane and a sleeve, and the point-surface combination mode enables the two forceps arms to be more beneficial to clamping after being folded, and can synchronously realize the guiding function; the diameter of the right end of the guide hole is larger than that of the left end of the guide hole, so that the Kirschner wire can be conveniently and quickly inserted into the guide hole, and the operation time is shortened.

Drawings

FIG. 1 is a schematic structural view of the reduction forceps of the present invention;

fig. 2 is a schematic structural diagram of the guide post of the present invention.

Description of the labeling: 1. the clamp comprises a first clamp arm, a second clamp arm, a guide post, a guide hole and a side groove, wherein the first clamp arm 2, the second clamp arm 3, the guide post 4 and the side groove are arranged.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1, the asymmetric point type reduction forceps comprise a first forceps arm 1 and a second forceps arm 2, wherein the middle of the first forceps arm 1 is hinged to the middle of the second forceps arm 2 through a pin shaft, the front end of the first forceps arm 1 is flat and linear, anti-skidding threads are arranged on the inner side of the first forceps arm 1, a guide post 3 is arranged at the front end of the second forceps arm 2, guide holes 4 penetrating through the left end and the right end of the guide post 3 are formed in the guide post 3, and a kirschner wire can be placed between the first forceps arm 1 and the second forceps arm 2 through the guide holes 4. According to the technical scheme, the front ends of the two forceps arms are respectively designed into the plane and the sleeve, the two forceps arms are more beneficial to clamping after being folded in a point-surface combination mode, and the guide function can be synchronously realized.

Preferably, the guide hole 4 is in a circular truncated cone shape, and the diameter of the left end of the guide hole 4 is smaller than that of the right end thereof. That is, the diameter of the right end of the guide hole 4 is larger than that of the left end thereof, so that the kirschner wire can be rapidly inserted into the guide hole 4, and the operation time is reduced. The diameter of the left end of the guide hole 4 is 1.5-2.5mm, the diameter of a common Kirschner wire is 1.5mm, the guide hole 4 with the size is not too large, and the angle of the Kirschner wire can be adjusted between the guide hole 4 and the Kirschner wire.

Referring to fig. 2, the guide post 3 is provided with a side open slot 5 penetrating through the hole wall of the guide hole 4 and the outer wall of the guide post 3, and the width of the side open slot 5 is not less than 1.5 mm. Specifically, after the Kirschner wire is placed in, the first forceps arm 1 and the second forceps arm 2 are loosened, the guide column 3 is separated from the tail section of the Kirschner wire along the side open groove 5, and if the side open groove 5 is not designed, the second forceps arm 2 is very difficult to take down.

Of course, the above is only the preferred embodiment of the present invention, and the application range of the present invention is not limited thereto, so all the equivalent changes made in the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An asymmetric point type reduction forceps is characterized in that: the novel clamp comprises a first clamp arm and a second clamp arm, wherein the middle of the first clamp arm is hinged with the middle of the second clamp arm through a pin shaft, the front end of the first clamp arm is flat and linear, anti-skidding lines are arranged on the inner side of the front end of the first clamp arm, a guide post is arranged at the front end of the second clamp arm, and guide holes penetrating through the left end and the right end of the guide post are formed in the guide post.

2. The asymmetric point reduction forceps according to claim 1, characterized in that: the guide hole is in a circular truncated cone shape, and the diameter of the left end of the guide hole is smaller than that of the right end of the guide hole.

3. An asymmetric point reduction forceps according to claim 2, characterized in that: the diameter of the left end of the guide hole is 1.5-2.5 mm.

4. An asymmetric point reduction forceps according to any one of claims 1 to 3, characterized in that: and a side slot penetrating through the hole wall of the guide hole and the outer wall of the guide column is formed in the guide column, and the width of the side slot is not less than 1.5 mm.