Pad type movable single-condyle tibia liner test mold

Abstract

The utility model discloses a patch type movable single-condylar tibia pad test mold, which belongs to the technical field of movable single-condylar tibia pad test molds and comprises a pad test mold, a patch is arranged on one side of the pad test mold, a limiting part for limiting the patch and the pad test mold is arranged between the patch and the pad test mold, and the patch comprises a fixing piece, an inserting piece and a mounting groove. One end of the limiting piece is arranged in the mounting groove; the side, close to the liner test mold, of the inserting piece is of a smooth surface structure; a guide groove is formed in one side of the liner test mold; the inserting piece can be inserted into the guide groove; according to the utility model, through the arrangement of multiple models, the gasket test mold and the patch can be matched with each other, so that the purpose of adjusting the thickness of the gasket test mold is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to movable unicompartmental knee joint tibial pad test mould technical field especially, it relates to a kind of plug-in movable unicompartmental tibial pad test mould. BACKGROUND

[0002] Movable unicompartmental knee joint prosthesis test mould includes femoral condyle prosthesis test mould (metal), tibial support test mould (metal) and tibial pad test mould (polyethylene), during use, tibial support test mould is placed in human tibial proximal end, femoral condyle is fixed in human femoral distal end, there is tibial pad between femoral condyle and tibial support.

[0003] Movable unicompartmental tibial pad test mould, during use, the stability of movable unicompartmental tibial pad test mould itself is insufficient, when touching its pad test mould after installation, pad test mould will occur position deviation, to cause pad test mould installation deviation needs repositioning, and movable unicompartmental tibial pad test mould is assembled, just simple splicing, lack certain calibration positioning, for this purpose, a kind of plug-in movable unicompartmental tibial pad test mould is provided. UTILITARIAN CONTENT

[0004] The utility model discloses to solve the existing technology in the prior art there is the shortcoming of poor installation stability, lack of positioning and difficult installation, and a plug-in movable unicompartmental tibial pad test mould is provided, which solves the problem of insufficient stability of the movable unicompartmental tibial pad test mould itself during use, and the problem of position deviation of the pad test mould when touching the pad test mould after installation.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A plug-in movable unicompartmental tibial pad test mould, comprising a pad test mould, the pad test mould is provided with a plug-in on one side, and a limiting piece is arranged between the plug-in and the pad test mould for limiting the two.

[0007] Preferably, the plug-in comprises a fixed piece, an insert piece and a mounting groove, the insert piece is arranged on one side of the fixed piece, the mounting groove is arranged on one side of the insert piece, and one end of the limiting piece is placed in the mounting groove.

[0008] Preferably, the side of the insert piece close to the pad test mould is provided with a smooth surface structure.

[0009] Preferably, the side of the pad test mould is provided with a guide groove, and the insert piece can be inserted into the guide groove.

[0010] Preferably, the guide slot is provided with a plurality of positioning holes, and one end of the limiting piece is arranged in the positioning hole.

[0011] According to the technical scheme, the limiting piece is fixedly connected to the mounting slot on one side of the plug-in piece, and then the plug-in piece is inserted into the guide slot on one side of the gasket test mold, and after the limiting piece moves to the specified position in the guide slot, one end of the limiting piece is arranged in the positioning hole on one side of the gasket test mold, so that the installation between the gasket test mold and the plug-in piece is completed, and a quick disassembly function is provided between the gasket test mold and the plug-in piece.

[0012] Preferably, the limiting piece comprises a limiting column, one side of the limiting column is connected to the mounting slot, a groove is arranged in the limiting column, a spring is arranged in the groove, a glass bead is arranged at one end of the spring, a limiting ring is arranged between the glass bead and the groove, and one side of the glass bead is arranged in the positioning hole.

[0013] According to the technical scheme, when the plug-in piece is inserted into the guide slot, the glass bead is extruded by the inner wall of the guide slot, so that the glass bead moves in the groove and extrudes the spring, and after the glass bead moves to the position of the positioning hole, the rebounding force of the spring pushes the glass bead into the positioning hole, thereby limiting the gasket test mold and the plug-in piece, and preventing the gasket test mold and the plug-in piece from being dislocated during use.

[0014] Preferably, the gasket test mold is provided with a femoral prosthesis test mold matching part on the side away from the plug-in piece, and the femoral prosthesis test mold matching part is in a hemispherical smooth surface structure.

[0015] According to the technical scheme, the femoral prosthesis test mold matching part is in a hemispherical smooth surface structure, which is beneficial to the installation and use of the femur, and improves the matching strength.

[0016] Preferably, the gasket test mold is provided with a clamping groove on both sides.

[0017] According to the technical scheme, the clamping groove is beneficial to the disassembly of the gasket test mold by the operator during the operation.

[0018] Preferably, the gasket test mold is of XS, S, M, L or XL, and the thickness is 3mm.

[0019] Preferably, the thickness of the plug-in piece is 1mm, 2mm, 3mm or 4mm.

[0020] According to the technical scheme, the plurality of models are beneficial to the mutual matching between the gasket test mold and the plug-in piece, so as to achieve the purpose of adjusting the thickness of the gasket test mold.

[0021] The utility model discloses, when assembling, the fixed connection of limiting piece is in the installation groove of one side of the plug piece, then the plug piece is inserted into the guide groove of one side of the gasket test mould, and after the movement of limiting piece in the guide groove reaches the specified position, the one end of limiting piece enters the positioning hole of one side of the gasket test mould, thereby the installation between the gasket test mould and the plug piece is completed, and a quick dismounting function is provided between the gasket test mould and the plug piece.

[0022] The utility model discloses, when the plug piece is inserted into the guide groove, the glass pearl is extruded by the inner wall of guide groove, makes the glass pearl move extrusion spring in the recess, and after the glass pearl moves to the position of positioning hole, the rebound of spring will top into positioning hole in the glass pearl, thereby the limiting between the gasket test mould and the plug piece is completed, prevents the gasket test mould and the plug piece dislocation in the use process. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structural schematic diagram of assembled structure for the utility model;

[0024] Figure 2 It is the structural schematic diagram of explosive formula for the utility model;

[0025] Figure 3 It is the cross section structural schematic diagram of limiting piece for the utility model;

[0026] Figure 4 It is the bottom structural schematic diagram of gasket test mould for the utility model.

[0027] In the drawing: 1, gasket test mould;2, plug piece;21, fixed sheet;22, plug piece;23, installation groove;3, limiting piece;31, limiting column;32, recess;33, spring;34, glass pearl;35, limiting ring;4, guide groove;5, positioning hole;6, femoral prosthesis test mould cooperation;7, clamping groove. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0029] As Figures 1-4 The utility model discloses a plug piece formula movable single condylar tibial gasket test mould, including gasket test mould 1, the one side of gasket test mould 1 is provided with plug piece 2, and plug piece 2 includes fixed sheet 21, plug piece 22 and installation groove 23, and plug piece 22 is set up in one side of fixed sheet 21, and installation groove 23 is set up in one side of plug piece 22, and one end of limiting piece 3 is placed in installation groove 23, and the one side of plug piece 22 close to gasket test mould 1 is set up as smooth surface structure,

[0030] The spacer 2 and the liner test mold 1 are provided with a limiting piece 3 for limiting the two, the limiting piece 3 comprises a limiting column 31, one side of the limiting column 31 is connected in the mounting groove 23, the limiting column 31 is provided with a recess 32, the recess 32 is provided with a spring 33, one end of the spring 33 is provided with a glass bead 34, the glass bead 34 and the recess 32 are provided with a limiting ring 35, one side of the glass bead 34 is placed in the positioning hole 5, the glass bead 34 is matched with the positioning hole 5,

[0031] One side of the liner test mold 1 is provided with a guide groove 4, the insert piece 22 can be inserted in the guide groove 4, one side of the guide groove 4 close to the insert piece 22 is provided with a smooth surface structure, the guide groove 4 is provided with a plurality of positioning holes 5, one end of the limiting piece 3 is placed in the positioning hole 5, one side of the liner test mold 1 away from the spacer 2 is provided with a femoral prosthesis test mold matching part 6, the femoral prosthesis test mold matching part 6 is provided with a hemispherical smooth surface structure, both sides of the liner test mold 1 are provided with clamping grooves 7.

[0032] In the embodiment, when assembling, the limiting piece 3 is fixedly connected in the mounting groove 23 on one side of the insert piece 22, then the insert piece 22 is inserted in the guide groove 4 on one side of the liner test mold 1, after the limiting piece 3 moves to the specified position in the guide groove 4, one end of the limiting piece 3 enters the positioning hole 5 on one side of the liner test mold 1, so that the assembly between the liner test mold 1 and the spacer 2 is completed.

[0033] In the embodiment, when the insert piece 22 is inserted in the guide groove 4, the glass bead 34 is extruded by the inner wall of the guide groove 4, so that the glass bead 34 moves in the recess 32 and extrudes the spring 33, after the glass bead 34 moves to the position of the positioning hole 5, the rebounding force of the spring 33 pushes the glass bead 34 into the positioning hole 5, so that the limiting between the liner test mold 1 and the spacer 2 is completed, and the dislocation of the liner test mold 1 and the spacer 2 in the use process is prevented.

[0034] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A plug-type movable unicompartmental tibial liner test mold, characterized in that, The application relates to a gasket test mold (1) provided with a plug (2) on one side, and a limiting piece (3) for limiting the gasket test mold (1) and the plug (2).

2. The trial of claim 1, wherein the trial is a femoral trial. The plug (2) comprises a fixed piece (21), an insertion piece (22) arranged on one side of the fixed piece (21), and a mounting groove (23) arranged on one side of the insertion piece (22), and one end of the limiting piece (3) is arranged in the mounting groove (23).

3. The trial femoral tibial spacer of claim 2, wherein: One side of the gasket test mold (1) is provided with a guide groove (4), and the insertion piece (22) can be inserted into the guide groove (4).

4. The trial femoral tibial spacer of claim 3, wherein the spacer is a wedge-shaped spacer. The guide groove (4) is provided with a plurality of positioning holes (5), and one end of the limiting piece (3) is arranged in the positioning hole (5).

5. The trial femoral tibial spacer of claim 4, wherein the spacer is a wedge-shaped spacer. The limiting piece (3) comprises a limiting column (31), one side of the limiting column (31) is connected in the mounting groove (23), the limiting column (31) is provided with a groove (32), the groove (32) is provided with a spring (33), one end of the spring (33) is provided with a glass bead (34), a limiting ring (35) is arranged between the glass bead (34) and the groove (32), and one side of the glass bead (34) is arranged in the positioning hole (5).

6. The trial of claim 1, wherein the trial is a femoral trial. One side of the gasket test mold (1) away from the plug (2) is provided with a femoral prosthesis test mold matching part (6) in a hemispherical smooth surface structure.

7. The trial of claim 1, wherein the trial is a femoral trial. Both sides of the gasket test mold (1) are provided with clamping grooves (7).

8. The trial of claim 1, wherein the trial is a patellofemoral trial. The gasket test mold (1) is of an XS, S, M, L or XL type, and the thickness is 3 mm.

9. The trial femoral tibial spacer of claim 1, wherein, The thickness of the plug (2) is 1 mm, 2 mm, 3 mm or 4 mm.

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