Femoral condyle impurity protection tool and femoral condyle processing equipment

Abstract

The utility model relates to a femoral condyle impurity protection tool and femoral condyle processing equipment, which are used for processing the articular surface of the femoral condyle, one side of the bone cross section of the femoral condyle is provided with a fixing column, the femoral condyle impurity protection tool is characterized by comprising a supporting part, a supporting part and a sealing part, at least two fixing holes are formed in the top of the supporting block, and a mounting clamping groove is formed in the surface of the supporting block; a profiling notch with the same shape as the femoral condyle is formed in the sealing piece, a profiling clamping table is arranged on the inner edge of the profiling notch of the sealing piece, the sealing piece is installed on the surface of the supporting block, and the profiling notch is installed right opposite to the profiling notch; the outer edge of the femoral condyle is attached to the profiling clamping table, and the fixing column is arranged in the fixing hole in a penetrating mode. Due to the fact that the profiling clamping table on the sealing piece and the femoral condyle are tightly installed, a sealed space is formed among the coating face of the femoral condyle, the sealing piece and the supporting block. And when the machining surface of the femoral condyle is machined, the coating surface on the other side can be prevented from being polluted by impurities, and the machining quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument equipment technical field especially is a femoral condyle impurity protection frock and femoral condyle processing equipment. BACKGROUND

[0002] In total knee replacement surgery, biological knee joint is more suitable for young patients compared with cemented artificial knee joint because of its more reliable long-term fixation, and the biological knee joint is mainly composed of femoral condyle, tibial spacer, tibial support and patella.

[0003] The femoral condyle is divided into two sides of the articular surface and the bone section, and the femoral condyle structure schematic diagram is shown in the drawing, Figure 1 Wherein, one side of the dot array shadow surface is the articular surface of the femoral condyle, and one side of the grid shadow surface is the bone section of the femoral condyle. In the prior art, the surface of the articular surface of the femoral condyle needs to be treated during the processing of the femoral condyle, and the other positions need to be protected at the same time; the bone section of the femoral condyle is a coating surface, and some impurities are often generated during the processing of the articular surface, which makes it difficult to clean in the subsequent cleaning process, thereby causing the coating surface to be contaminated. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the utility model wants to solve the technical problem of overcoming the defects that the impurities generated in the processing of the articular surface of the femoral condyle contaminate the coating surface of the femoral condyle, and the processing quality of the femoral condyle is low.

[0005] In order to solve the above technical problems, the utility model provides a femoral condyle impurity protection frock for processing the articular surface of the femoral condyle, one side of the bone section of the femoral condyle is provided with a fixed column, which comprises:

[0006] The support part comprises a support block and a sealing sheet; the top of the support block is provided with at least two fixing holes, and the surface of the support block is provided with a mounting clamping groove; the sealing sheet is provided with a profiling gap which is the same as the shape of the femoral condyle, and the inner edge of the profiling gap is provided with a profiling clamping table; the sealing sheet is mounted on the surface of the support block, and the profiling gap is mounted opposite to the mounting clamping groove; the femoral condyle is buckled on the sealing sheet, the outer edge of the femoral condyle is attached to the profiling clamping table, and the fixed column is arranged in the fixing hole.

[0007] In one embodiment of the utility model, the locking part comprises a locking bolt and a tightening rod, the locking bolt is arranged on the side of the support block away from the fixing hole, one end of the tightening rod is a hollow structure, one end of the hollow structure of the tightening rod is arranged in the fixing hole and tightly attached to the fixed column, and the other end of the tightening rod is connected with the locking bolt.

[0008] In one embodiment of the utility model, one end of the tightening rod hollow structure is a multi-flap horn structure, the other end of the tightening rod is provided with an internal thread matched with the locking bolt.

[0009] In one embodiment of the utility model, a connecting hole matched with the locking bolt is formed in the support block, and the connecting hole is coaxially arranged with the fixing hole.

[0010] In one embodiment of the utility model, a positioning hole is formed in the side wall of the support block, a bolt is arranged in the positioning hole, and the bolt abuts against the tightening rod.

[0011] In one embodiment of the utility model, a pin hole matched with the bolt is formed in the surface of the tightening rod.

[0012] In one embodiment of the utility model, a scratch-proof pad is arranged between the femoral condyle and the mounting slot, and the scratch-proof pad is arranged close to the mounting slot.

[0013] In one embodiment of the utility model, the scratch-proof pad and the mounting slot are detachably connected.

[0014] In one embodiment of the utility model, a plurality of mounting holes are arranged on the surface of the support block, and a mounting column matched with the mounting hole is arranged on the sealing sheet.

[0015] The utility model discloses a femoral condyle processing equipment comprising the femoral condyle impurity protection tool.

[0016] Compared with the prior art, the above technical scheme of the utility model has the following advantages:

[0017] The utility model discloses a femoral condyle processing equipment comprising the femoral condyle impurity protection tool. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the content of the utility model more easily understood clearly, the utility model is further explained in detail below according to specific embodiments of the utility model and in combination with the drawings, wherein

[0019] Figure 1 It is a structure schematic view of the femoral condyle in the prior art.

[0020] Figure 2 It is the whole structure schematic view of the utility model.

[0021] Figure 3It is the overall structure of the utility model;

[0022] Figure 4 It is the overall structure of the utility model;

[0023] Figure 5 For Figure 3 The structure diagram of the support block in the middle;

[0024] Figure 6 For Figure 3 The structure diagram of the sealing sheet in the middle;

[0025] The description of the drawing of the utility model: 1, support part;2, locking part;3, femoral condyle;11, support block;12, sealing sheet;13, anti-scratch pad;21, locking bolt;22, tightening rod;23, bolt;31, fixed column;111, fixed hole;112, installation clamping groove;113, connecting hole;114, mounting hole;121, profiling notch;122, profiling clamping table;123, mounting column;221, internal thread;222, pin hole;223, multi-flap horn structure. Specific implementation

[0026] The utility model will be further described below in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model. Example one

[0027] Refer to Figures 1-6 The utility model discloses a femoral condyle impurity protection tool for the articular surface processing of femoral condyle 3, one side of the bone section of femoral condyle 3 is provided with fixed column 31, and it comprises:

[0028] Support part 1, the support part 1 includes support block 11 and sealing sheet 12;The top of support block 11 is provided with at least two fixed holes 111, and the surface of support block 11 is provided with installation clamping groove 112;Profiling notch 121 identical with the shape of femoral condyle 3 is formed in sealing sheet 12, and profiling clamping table 122 is arranged on the inner edge of profiling notch 121, sealing sheet 12 is installed on the surface of support block 11, and profiling notch 121 is installed opposite installation clamping groove 112;Femoral condyle 3 is buckled on sealing sheet 12, the outer edge of femoral condyle 3 is attached to profiling clamping table 122, and fixed column 31 is arranged in fixed hole 111.

[0029] The utility model discloses a processing technology adaptation's protection frock of femoral condyle, be used to the fixation of femoral condyle 3, convenient subsequent processing. Specifically, the profiling gap 121 is set up on the sealing sheet 12, after installing the sealing sheet 12 on the support block 11, the installation of sealing sheet 12 forms the support. The profiling gap 121 is clamped in the installation clamping groove 112 on the support block 11, avoids the profiling gap 121 to be opened after putting in femoral condyle 3 and cannot reach the sealing effect, in the actual installation process, the fixed column 31 of femoral condyle 3 bone section one side is inserted into the fixed hole 111 of support block 11, makes the outer edge of femoral condyle 3 and the profiling clamping platform 122 on the sealing sheet 12 closely adhere. Here the profiling clamping platform 122 of sealing sheet 12 size is equal to the outline size of femoral condyle 3, on the one hand can utilize the profiling clamping platform 122 and make femoral condyle 3 coating layer face empty, to avoid coating layer face and support block 11 direct contact, avoid the scratch phenomenon of direct contact of support block 11, on the other hand can guarantee the sealing property after installation. The coating layer face of femoral condyle 3 and support block 11 form sealed space after installation, can avoid the impurity pollution coating layer face of the other side when processing the processing surface of femoral condyle 3, improves the processing quality.

[0030] The utility model discloses a profiling clamping platform 122 on the sealing sheet 12 and the close installation of femoral condyle 3, make the coating layer face of femoral condyle 3 and the sealed space between sealing sheet 12 and support block 11. Can avoid the impurity pollution coating layer face of the other side when processing the processing surface of femoral condyle 3, improved the processing quality.

[0031] Further, it further includes locking portion 2, locking portion 2 includes locking bolt 21 and tightens the lever 22, locking bolt 21 is arranged on the side of support block 11 away from fixed hole 111, one end of tightens the lever 22 is hollow structure, one end of tightens the lever 22 hollow structure is arranged in fixed hole 111 and is close to fixed column 31, the other end of tightens the lever 22 is connected with locking bolt 21.

[0032] In the above structure, the installation of femoral condyle 3 cooperates fixed column 31 with fixed hole 111 on support block 11, is used for fixing femoral condyle 3. Specifically, fixed hole 111 is provided with tightens the lever 22, and one end of tightens the lever 22 in fixed hole 111 is hollow structure. The other end of tightens the lever 22 is connected with locking bolt 21 in support block 11, is adjusted through locking bolt 21, makes the other end tightens and holds tightly fixed column 31 of femoral condyle 3, further holds tightly femoral condyle 3 on sealing sheet 12.

[0033] Further, one end of tightens the lever 22 hollow structure is multi-petal horn structure 223, the other end of tightens the lever 22 is provided with the internal thread 221 matched with locking bolt 21.

[0034] Specifically, the locking bolt 21 is threadedly connected with the tightening rod 22, and the tightening rod is pulled to move to one side of the locking bolt 21 while the locking bolt is adjusted, and the multi-flap horn structure 223 at the other end of the tightening rod is contracted to grip the fixing column 31 of the femoral condyle 3.

[0035] Further, the support block 11 is provided with a connecting hole 113 matched with the locking bolt 21, and the connecting hole 113 is coaxially arranged with the fixing hole 111.

[0036] Further, the side wall of the support block 11 is provided with a positioning hole, a bolt 23 is arranged in the positioning hole, and the bolt 23 is abutted with the tightening rod 22. The surface of the tightening rod 22 is provided with a pin hole 222 matched with the bolt 23.

[0037] Specifically, the bolt 23 is inserted into the positioning hole and the pin hole 222 on the tightening rod 22, and the tightening rod 22 is locked to prevent the tightening rod 22 from rotating with the locking bolt 21 during the tightening of the locking bolt 21, so that the locking effect cannot be achieved.

[0038] The whole locking part 2 is mainly used for fixing the installed femoral condyle 3, and the femoral condyle 3 is tightly attached to the profiling clamping table 122 of the sealing sheet 12, so as to further improve the sealing property between the coating surface of the femoral condyle 3 and the support block 11, and avoid damaging the sealing property during the processing process to cause the coating surface to be polluted.

[0039] Further, the femoral condyle 3 and the installation clamping groove 112 are provided with a scratch-preventing pad 13, the scratch-preventing pad 13 is tightly arranged on the installation clamping groove 112, and the scratch-preventing pad 13 and the installation clamping groove 112 are detachably connected.

[0040] Specifically, the scratch-preventing pad 13 is arranged between the femoral condyle 3 and the installation clamping groove 112, so as to avoid that part of the coating area directly contacts the support block 11 during the dismounting process, and causes the scratch-preventing pad 13 to be scratched.

[0041] Further, the surface of the support block 11 is provided with a plurality of mounting holes 114, and the sealing sheet 12 is provided with mounting columns 123 matched with the mounting holes 114.

[0042] Specifically, the plurality of mounting columns 123 on the sealing sheet 12 correspond in position to the plurality of mounting holes 114 on the surface of the support block 11, and the mounting columns 123 are inserted into the corresponding mounting holes 114, thereby achieving close fitting of the sealing sheet 12 and the support block 11. As a preferred scheme of the present application, the sealing sheet 12 and the support block 11 are detachably connected, so that quick replacement after damage can be achieved, without affecting the use of the entire tooling. Example Two

[0043] A femoral condyle processing device comprises the femoral condyle impurity protection tooling described in Example One.

[0044] In summary, the present application introduces a femoral condyle impurity protection tooling and a femoral condyle processing device. The profiled clamping table 122 on the sealing sheet 12 is tightly mounted with the femoral condyle 3, so that a sealing space is formed between the coating surface of the femoral condyle 3 and the sealing sheet 12 and the support block 11. Furthermore, the femoral condyle 3 is locked on the sealing sheet 12 by the locking portion 2, so that sealing can be ensured when the processing surface of the femoral condyle 3 is processed, thereby avoiding impurities from polluting the coating surface on the other side and improving the processing quality.

[0045] Obviously, the above-described embodiments are merely examples for clear illustration, and are not intended to limit the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A femoral condyle impurity protection tool for processing an articular surface of a femoral condyle, one side of a bone section of the femoral condyle being provided with a fixing column, characterized in that, The application relates to a femoral condyle impurity protection tool. The support part comprises a support block and a sealing sheet; the top of the support block is provided with at least two fixing holes, and the surface of the support block is provided with a mounting clamping groove; the sealing sheet is provided with a profiling notch which is the same in shape as the femoral condyle; the inner edge of the profiling notch of the sealing sheet is provided with a profiling clamping table; the sealing sheet is mounted on the surface of the support block, and the profiling notch is mounted opposite to the mounting clamping groove; the femoral condyle is buckled on the sealing sheet, the outer edge of the femoral condyle is attached to the profiling clamping table, and the fixing column is arranged in the fixing hole.

2. The femoral condyle impurity protection tooling of claim 1, wherein: The locking part comprises a locking bolt and a tightening rod; the locking bolt is arranged on the side of the support block away from the fixing hole; one end of the tightening rod is a hollow structure; one end of the hollow structure of the tightening rod is arranged in the fixing hole and tightly attached to the fixing column; the other end of the tightening rod is connected with the locking bolt.

3. The femoral condyle impurity protection tooling of claim 2, wherein: One end of the hollow structure of the tightening rod is a multi-labia horn structure; the other end of the tightening rod is provided with an internal thread matched with the locking bolt.

4. The femoral condyle impurity protection tooling of claim 2, wherein: The support block is provided with a connecting hole matched with the locking bolt; the connecting hole is coaxially arranged with the fixing hole.

5. The femoral condyle impurity protection tooling of claim 2, wherein: The side wall of the support block is provided with a positioning hole; a bolt is arranged in the positioning hole; the bolt is abutted against the tightening rod.

6. The femoral condyle impurity protection tooling of claim 5, wherein: The surface of the tightening rod is provided with a pin hole matched with the bolt.

7. The femoral condyle impurity protection tooling of claim 1, wherein: The femoral condyle and the mounting clamping groove are provided with a scratch-proof pad; the scratch-proof pad is tightly arranged on the mounting clamping groove.

8. The femoral condyle impurity protection tooling of claim 7, wherein: The scratch-proof pad and the mounting clamping groove are detachably connected.

9. The femoral condyle impurity protection tooling of claim 1, wherein: The surface of the support block is provided with a plurality of mounting holes; the sealing sheet is provided with a mounting column matched with the mounting hole.

10. A femoral condyle machining apparatus characterized by, The application further relates to a femoral condyle impurity protection tool. The application relates to a femoral condyle impurity protection tool.

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