Anti-loosening tibia test piece and pad test mold holding device

Abstract

The utility model relates to an anti-loosening tibia test piece and liner test mold holding device, which belongs to the technical field of medical instruments and comprises a handle main body, a push rod A and a push rod B are mounted on the handle main body, the push rod A is elastically connected with the handle main body through a spring A, the push rod B is elastically connected with the handle main body through a spring B, and the push rod A is positioned above the push rod B; the front end of the push rod A is provided with a positioning column used for fixing a liner test mold, the front end of the push rod B is provided with a boss used for fixing a tibia test piece, and the front end of the handle body is provided with a clamping jaw used for preventing the tibia test piece from moving front and back and left and right. The rear end of the push rod A is connected with a locking button; the pad test mold is held and fixed through the push rod A, the tibia test piece is held and fixed through cooperation of the push rod B and the handle body, other auxiliary instruments are not needed, and the number of the auxiliary instruments in the operation process is reduced; the utility model has a simple structure, simplifies the operation flow, shortens the operation time and improves the operation efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of anti-loosening tibial test piece and gasket test mould holding device, belong to medical instrument technical field. BACKGROUND

[0002] During knee joint replacement surgery, tibial test piece and gasket test mould are needed to be stacked together, and tibial test piece and gasket test mould are placed into tibial plateau gap after osteotomy for measurement by special holding device, and placement process requires tibial test piece and gasket test mould to be avoided from falling off and warping as much as possible to improve surgical efficiency and facilitate doctor use.

[0003] Through the research of prior art, it is found that, during knee joint replacement surgery, due to the difference in product structure of different manufacturers, the holding device can only fix tibial test piece or gasket test mould respectively, and cannot fix and hold tibial test piece or gasket test mould simultaneously, so clinicians need to use two kinds of holding devices respectively to hold and fix tibial test piece and gasket test mould, resulting in high surgical cost and low efficiency. UTILITY MODEL CONTENT

[0004] According to the deficiencies in the above prior art, the technical problem to be solved by the utility model is to provide an anti-loosening tibial test piece and gasket test mould holding device, which can hold tibial test piece and gasket test mould simultaneously and quickly, and tibial test piece and gasket test mould will not fall off or warp when placed into patient's tibial plateau gap for measurement, reducing the number of auxiliary equipment, shortening the operation time and improving the operation efficiency.

[0005] The anti-loosening tibial test piece and gasket test mould holding device, the utility model discloses a handle main body is installed with push rod A and push rod B on handle main body, push rod A is elastically connected with handle main body through spring A, push rod B is elastically connected with handle main body through spring B, push rod A is located above push rod B, positioning column for fixing gasket test mould is equipped with on the front end of push rod A, boss for fixing tibial test piece is equipped with on the front end of push rod B, the front end of handle main body is equipped with pawl for preventing tibial test piece from moving in front and back and left and right directions, push rod A rear end is connected with locking button, and locking button can lock the position of push rod A.

[0006] The technical scheme of the utility model provides an anti-loosening tibial test piece and gasket test mould holding device, which holds and fixes gasket test mould through push rod A, holds and fixes tibial test piece through push rod B and handle main body cooperation, without using other auxiliary equipment, shortening operation time and improving operation efficiency.

[0007] Preferably, the handle body is provided with a limiting table A and a limiting table B, a push rod A is arranged through the limiting table A and the limiting table B, a spring A is arranged between the limiting table A and the limiting table B, the spring A is sleeved on the push rod A, and the rear end of the spring A is fixedly connected with the push rod A.

[0008] Further, the locking button is provided with a fixed hook for hooking the limiting table B, and the locking button is further provided with an anti-skid groove for increasing friction.

[0009] Preferably, the push rod B is arranged through the handle body, the spring B is sleeved on the push rod B, and the push rod B is fixedly provided with a spring stop ring for compressing the spring B.

[0010] Further, the rear end of the push rod B is hingedly connected with the front end of the elastic sheet, the rear end of the elastic sheet is hingedly connected with the push piece, and the push piece is hingedly connected with the handle body through a fixed pin; when the push piece is pressed, the push piece rotates and drives the elastic sheet, the push rod B is pushed forward through the elastic sheet, and the boss of the push rod B enters the limiting hole in the tibial specimen, so that the tibial specimen is fixed.

[0011] The anti-loosening tibial specimen and gasket test mold holding device has the beneficial effects that, compared with the prior art:

[0012] The anti-loosening tibial specimen and gasket test mold holding device has the beneficial effects that, compared with the prior art: BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a state schematic view of the utility model in working;

[0014] Figure 2 is a structure schematic view of the utility model;

[0015] Figure 3 is a front view of the utility model;

[0016] Figure 4 is a sectional view of the utility model;

[0017] Figure 5 is a perspective view of the handle body;

[0018] Figure 6 is a perspective view of the locking button;

[0019] Figure 7 is a perspective view of the tibial specimen;

[0020] Figure 8 is a perspective view of the gasket test mold.

[0021] In the figure: 1, handle body; 101, limit station B; 102, limit station A; 103, claw; 2, locking button; 201, anti-skid groove; 202, fixed hook; 3, spring A; 4, push rod A; 401, positioning column; 5, push piece; 6, tibial test piece; 7, gasket test mold; 8, spring B; 9, push rod B; 901, boss; 10, elastic sheet; 11, fixed pin; 12, spring retainer ring. DETAILED DESCRIPTION

[0022] The utility model is further described below in combination with specific embodiments.

[0023] However, the description of the utility model is only an embodiment of structural and functional description, and the scope of the utility model is not limited by the embodiments described in the text.

[0024] For example, multiple embodiments can have multiple changes and multiple forms, and it should be understood that the scope of the utility model includes equivalents that can achieve the technical idea.

[0025] As Figures 1-8 shown, the present embodiment is realized by the following technical scheme: including handle body 1, handle body 1 is installed with push rod A 4 and push rod B 9, push rod A 4 is elastically connected with handle body 1 through spring A 3, push rod B 9 is elastically connected with handle body 1 through spring B 8, push rod A 4 is located above push rod B 9;Push rod A 4 front end is equipped with the positioning column 401 for fixing gasket test mold 7, push rod B 9 front end is equipped with the boss 901 for fixing tibial test piece 6, handle body 1 front end is equipped with the claw 103 for preventing tibial test piece 6 from moving in front and back and left and right directions;The rear end of push rod A 4 is connected with locking button 2, and locking button 2 can lock the position of push rod A 4.

[0026] In the embodiment, the handle body 1 is provided with a limiting table A 102 and a limiting table B 101, a push rod A 4 is arranged through the limiting table A 102 and the limiting table B 101, a spring A 3 is located between the limiting table A 102 and the limiting table B 101, the spring A 3 is sleeved on the push rod A 4, the rear end of the spring A 3 is fixedly connected with the push rod A 4, and the rear end of the push rod A 4 is hingedly connected with the locking button 2. The locking button 2 is provided with a fixed hook 202 for hooking the limiting table B 101, and the locking button 2 is further provided with an anti-skid groove 201 for increasing friction. The push rod B 9 is arranged through the handle body 1, the spring B 8 is sleeved on the push rod B 9, and the push rod B 9 is fixedly provided with a spring stop ring 12 for compressing the spring B 8. The rear end of the push rod B 9 is hingedly connected with the front end of the elastic sheet 10, the rear end of the elastic sheet 10 is hingedly connected with the push piece 5, and the push piece 5 is hingedly connected with the handle body 1 through a fixed pin 11. When the push piece 5 is pressed, the push piece 5 rotates and drives the elastic sheet 10, the push rod B 9 is pushed forward through the elastic sheet 10, and the boss 901 of the push rod B 9 enters the limiting hole in the tibial specimen 6, so that the tibial specimen 6 is fixed.

[0027] The use method of the utility model is:

[0028] The push rod B 9 connected with the elastic sheet 10 is moved forward by the push piece 5, the boss 901 enters the limiting hole in the tibial specimen 6, and the tibial specimen 6 is fixed by the claw 103; the push rod A 4 is moved forward by pushing the locking button 2, the positioning column 401 enters the limiting hole in the gasket test mold 7, the locking button 2 is pressed at the front end, the push rod A 4 is kept in the state of extending forward, and the gasket test mold 7 is fixed.

[0029] Of course, the above content is only the preferred embodiment of the utility model, and cannot be considered as limiting the scope of the embodiment of the utility model. The utility model is not limited to the above examples, and the equivalent changes and improvements made by the ordinary skilled in the art within the essential scope of the utility model should be attributed to the patent coverage range of the utility model.

Claims

1. A device for holding a tibial specimen and a padding mold to prevent loosening of the tibia, characterized in that, The utility model provides a handle body (1), handle body (1) is installed with push rod A (4) and push rod B (9), push rod A (4) is elastically connected with handle body (1) through spring A (3), push rod B (9) is elastically connected with handle body (1) through spring B (8), push rod A (4) is located above push rod B (9), push rod A (4) front end is equipped with the positioning column (401) for fixed gasket test mould (7), push rod B (9) front end is equipped with the boss (901) for fixed shin test piece (6), handle body (1) front end is equipped with the dog (103) for preventing shin test piece (6) front and back left and right direction movement, push rod A (4) rear end is connected with locking button (2).

2. The anti-loosening tibial test specimen and shim block holding device of claim 1, wherein The handle body (1) is provided with a limiting table A (102) and a limiting table B (101), the push rod A (4) is arranged through the limiting table A (102) and the limiting table B (101), the spring A (3) is located between the limiting table A (102) and the limiting table B (101), the spring A (3) is sleeved on the push rod A (4), the rear end of the spring A (3) is fixedly connected with the push rod A (4), and the rear end of the push rod A (4) is hinged with the locking button (2).

3. The anti-loosening tibial test specimen and shim block holding device of claim 2, wherein The locking button (2) is provided with a fixed hook (202), and the locking button (2) is further provided with an anti-skid groove (201) for increasing friction.

4. The anti-loosening tibial test specimen and shim block holding device of claim 1, wherein The push rod B (9) is arranged through the handle body (1), the spring B (8) is sleeved on the push rod B (9), and the push rod B (9) is fixedly provided with a spring stop ring (12) for compressing the spring B (8).

5. The anti-loosening tibial test specimen and shim block holding device of claim 4, wherein The rear end of the push rod B (9) is hinged with the front end of the elastic sheet (10), the rear end of the elastic sheet (10) is hinged with the push piece (5), and the push piece (5) is hinged with the handle body (1) through a fixing pin (11).

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