Angle-adjustable spreading pliers

Abstract

The utility model discloses an angle-adjustable opening pliers, comprising: a first pliers handle, a second pliers handle, a first screw, a fixing plate and a limiting cylinder, the front ends of the first pliers handle and the second pliers handle are movably connected to the fixing plate by the first screw, the front end of the first pliers handle is provided with a first opening pliers head located on the front of the fixing plate, the front end of the second pliers handle is provided with a second opening pliers head located on the front of the fixing plate, the limiting cylinder is provided on the front of the fixing plate and is respectively located on the outside of the first opening pliers head and the second opening pliers head, and the limiting cylinder is eccentrically provided with a second screw connected to the fixing plate. In the above manner, the angle-adjustable opening pliers described in the utility model can be used flexibly by using the limiting cylinder to limit the position and adjust the angle of the first opening pliers head and the second opening pliers head when they are supported externally.

Description

Technical Field

[0001] The utility model relates to the field of medical instruments, in particular to a pair of angle-adjustable spreading pliers. Background Art

[0002] A distraction forceps is a common medical device that can be used to distract the trachea, bones or other tissues to facilitate observation and surgery.

[0003] In order to make the operation more labor-saving, the opening forceps are usually designed with longer handles, and use the lever principle to open the tissue, but there is no limit, which can easily lead to excessive opening angles due to excessive force, which is dangerous. In addition, the opening angle of ordinary opening forceps cannot be adjusted, making it difficult to accurately open the tissue, which needs to be improved. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide an angle-adjustable spreading pliers to perform spreading limit and realize angle adjustment.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide an angle-adjustable opening pliers, including: a first pliers handle, a second pliers handle, a first screw, a fixed plate and a limiting cylinder, the front ends of the first pliers handle and the second pliers handle are movably connected to the fixed plate by a first screw, the front end of the first pliers handle is provided with a first opening pliers head located on the front side of the fixed plate, the front end of the second pliers handle is provided with a second opening pliers head located on the front side of the fixed plate, the limiting cylinder is provided on the front side of the fixed plate and is respectively located on the outside of the first opening pliers head and the second opening pliers head, and a second screw connected to the fixed plate is eccentrically provided on the limiting cylinder.

[0006] In a preferred embodiment of the present invention, anti-slip ribs are respectively provided on the outer sides of the first opening pliers head and the second opening pliers head.

[0007] In a preferred embodiment of the present invention, the fixing plate is provided with a first threaded hole corresponding to the first screw.

[0008] In a preferred embodiment of the present invention, a second threaded hole corresponding to the second screw is provided on the fixing plate.

[0009] In a preferred embodiment of the present invention, a stepped hole corresponding to the second screw is provided on the limiting cylinder.

[0010] In a preferred embodiment of the present invention, the first screw is a branchial axis screw.

[0011] In a preferred embodiment of the present invention, guide blocks are provided on both sides of the front of the fixing plate, and the guide blocks are respectively located in front of the outer sides of the first opening clamp head and the second opening clamp head.

[0012] In a preferred embodiment of the present invention, a support spring is arranged between the first clamp handle and the second clamp handle.

[0013] The beneficial effects of the utility model are as follows: the utility model points out an angle-adjustable spreading pliers, which limits the first spreading pliers head and the second spreading pliers head when they are spread outward by a limiting cylinder, thereby improving operational safety, and the limiting cylinder can be eccentrically rotated and fixed around the second screw, thereby realizing angle adjustment of the first spreading pliers head and the second spreading pliers head when they are spread outward, and is more flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0015] Figure 1 It is a structural schematic diagram of a preferred embodiment of an angle-adjustable spreading pliers of the utility model;

[0016] Figure 2 yes Figure 1 Left view of;

[0017] Figure 3 yes Figure 1 Schematic diagram of the structure of the middle limit cylinder. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1~Figure 3 , the utility model embodiment includes:

[0020] like Figure 1The angle-adjustable spreading pliers shown include: a first pliers handle 1, a second pliers handle 2, a first screw 4, a fixing plate 3 and a limiting cylinder 5. The front ends of the first pliers handle 1 and the second pliers handle 2 are movably connected to the fixing plate 3 through the first screw 4. The first screw 4 is a gill axis screw. A first threaded hole corresponding to the first screw 4 is provided on the fixing plate 3, which is convenient for assembly.

[0021] A first opening pliers head 11 located on the front of the fixing plate 3 is provided at the front end of the first pliers handle 1, and a second opening pliers head 12 located on the front of the fixing plate 3 is provided at the front end of the second pliers handle 2. The first opening pliers head 11 and the second opening pliers head 12 can be opened and closed by holding the first pliers handle 1 and the second pliers handle 2. The first pliers handle 1 and the second pliers handle 2 are relatively long, which saves effort in operation, and a spring 8 is provided between the first pliers handle 1 and the second pliers handle 2, which is conducive to closing after opening, ensuring the convenience of single-handed operation of the first pliers handle 1 and the second pliers handle 2.

[0022] Guide blocks 7 are provided on both sides of the front of the fixing plate 3. The guide blocks 7 are respectively located in front of the outer sides of the first opening clamp head 11 and the second opening clamp head 12. The trachea is guided by the guide blocks 7 on both sides so that the first opening clamp head 11 and the second opening clamp head 12 enter the trachea after closing. Then, the trachea is opened by holding the first clamp handle 1 and the second clamp handle 2 with force and utilizing the eversion action of the first opening clamp head 11 and the second opening clamp head 12.

[0023] like Figure 2 As shown, in this embodiment, the first opening clamp head 11 and the second opening clamp head 12 are respectively provided with anti-skid ribs 10 protruding outwardly on the outer sides to avoid slipping during the opening process.

[0024] The limiting cylinder 5 is arranged on the front side of the fixing plate 3 and is respectively located on the outside of the first opening clamp head 11 and the second opening clamp head 12. The limiting cylinder 5 is used to limit the first opening clamp head 11 and the second opening clamp head 12 when they are extended outward, thereby improving the operational safety and avoiding the problem of excessive extension.

[0025] A second screw 6 connected to the fixing plate 3 is eccentrically arranged on the limiting cylinder 5, and a second threaded hole corresponding to the second screw 6 is arranged on the fixing plate 3, which is convenient for assembly. The limiting cylinder 5 can be eccentrically rotated and fixed around the second screw 6 to change the distance between the first and second opening clamp heads 11 and 12 when they are closed, thereby realizing the angle adjustment of the first and second opening clamp heads 11 and 12 when they are extended outward, which is more flexible to use.

[0026] like Figure 3 As shown, a stepped hole 9 corresponding to the second screw 6 is provided on the limiting cylinder 5, so that the second screw 6 can pass through the limiting cylinder 5, and the head of the second screw 6 can be hidden through the stepped hole 9 to avoid the head of the second screw 6 from protruding outward.

[0027] In summary, the angle-adjustable spreading pliers disclosed in the utility model can be used to limit the position during spreading, the spreading angle can be flexibly adjusted, and the use is safer.

[0028] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An angle-adjustable spreading pliers, characterized in that: include: A first pliers handle, a second pliers handle, a first screw, a fixing plate and a limiting cylinder, wherein the front ends of the first pliers handle and the second pliers handle are movably connected to the fixing plate by means of a first screw, the front end of the first pliers handle is provided with a first opening pliers head located on the front side of the fixing plate, the front end of the second pliers handle is provided with a second opening pliers head located on the front side of the fixing plate, the limiting cylinder is provided on the front side of the fixing plate and is respectively located on the outside of the first opening pliers head and the second opening pliers head, and a second screw connected to the fixing plate is eccentrically provided on the limiting cylinder.

2. The angle-adjustable spreading pliers according to claim 1, characterized in that: The first and second opening pliers heads are respectively provided with anti-slip ribs protruding outwardly on the outer sides.

3. The angle-adjustable spreading pliers according to claim 1, characterized in that: The fixing plate is provided with a first threaded hole corresponding to the first screw.

4. The angle-adjustable spreading pliers according to claim 1, characterized in that: The fixing plate is provided with a second threaded hole corresponding to the second screw.

5. The angle-adjustable spreading pliers according to claim 1, characterized in that: The limiting cylinder is provided with a stepped hole corresponding to the second screw.

6. The angle-adjustable spreading pliers according to claim 1, characterized in that: The first screw is a branchial axis screw.

7. The angle-adjustable spreading pliers according to claim 1, characterized in that: Guide blocks are arranged on both sides of the front of the fixing plate, and the guide blocks are respectively located in front of the outer sides of the first opening clamp head and the second opening clamp head.

8. The angle-adjustable spreading pliers according to claim 1, characterized in that: A support spring is arranged between the first clamp handle and the second clamp handle.

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