Supporting and grinding tool for femoral condyle prosthesis

By designing a femoral condylar prosthesis supporting grinding tooling including an adjustment component, the problem of poor matching between the grinding tooling and the femoral condylar prosthesis in the prior art is solved, and more uniform stress and higher adaptability are achieved, reducing the damage and waste rate of the prosthesis.

CN222891059UActive Publication Date: 2025-05-23HEBEI JINOU MEDICAL EQUIP CO LTD
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Patent Information

Application Number
CN202421483702.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-05-23
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

The matching degree of the existing grinding tooling and femoral condyle prosthesis is poor, resulting in uneven stress during the processing process, easy to damage, and high waste rate and low adaptability.

Method used

A femoral condylar prosthesis supporting grinding tooling including a tooling body, a clamping station, a clamping groove and an adjustment component is designed. Through the design of the adjustment component, it can be adapted to a variety of femoral condylar prosthesis sizes to ensure that it is uniformly subjected to force during processing.

Benefits of technology

The matching degree between the femoral condyle prosthesis and the grinding tooling is improved, the damage to the prosthesis during processing is reduced, the waste rate is reduced, and the adaptability to the patient is improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222891059U_ABST
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Abstract

The utility model provides a femoral condyle prosthesis supporting and grinding tool, and belongs to the technical field of medical instruments. According to the femoral condyle prosthesis supporting and grinding tool, a clamping station is arranged on a tool body, a clamping groove is formed in the upper end face of the middle of the clamping station, an adjusting assembly is arranged on the right side wall of the clamping groove, and the right side wall of a first prosthesis side plate abuts against the left side wall of the adjusting assembly; the left side wall of the second prosthesis side plate abuts against the left side wall of the clamping groove, the adjusting assembly comprises a first adjusting plate and a first adjusting bolt, the left side wall of the first adjusting plate is provided with a first guide slope, the first guide slope is gradually close to the right side wall of the clamping groove from bottom to top, and the first adjusting bolt penetrates through the lower bottom face of the clamping groove; and the first adjusting plate is limited. According to the supporting and grinding tool for the femoral condyle prosthesis, floating fit is achieved through the first guide inclined face, the first prosthesis side plate and the tool, and the adaptability of the femoral condyle prosthesis and the tool is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a femoral condyle prosthesis support grinding tool. Background Art

[0002] Total knee replacement is most commonly used for end-stage knee osteoarthritis and rheumatoid arthritis, when patients suffer from unbearable knee pain and limited mobility, and conservative treatment can no longer solve the problem. Total knee replacement can restore joint function, relieve knee pain, correct deformities, improve function and enhance the patient's quality of life. Total knee replacement has high requirements on the quality of joint prosthesis, which is also called femoral condyle prosthesis. A first prosthesis side plate and a second prosthesis side plate are arranged side by side in the middle of the inner wall of the femoral condyle prosthesis, and the first prosthesis side plate is arranged on the right side of the second prosthesis side plate. If the quality of the femoral condyle prosthesis does not meet the requirements, it may lead to complications, resulting in failure of the operation and the need for surgical revision. The femoral condyle prosthesis has different size specifications according to the actual situation of the patient. When grinding the outer surface of the femoral condyle prosthesis, a grinding tool is required to clamp the femoral condyle prosthesis. Affected by the different sizes of the femoral condyle prosthesis, the existing grinding tool has a poor match with the femoral condyle prosthesis, and the positions of the first prosthesis side plate and the second prosthesis side plate cannot be strictly matched with the grinding tool. During the processing, the femoral condyle prosthesis is unevenly stressed, which is easy to cause damage to the femoral condyle prosthesis, resulting in an increased scrap rate of the femoral condyle prosthesis and reduced compatibility with patients. Utility Model Content

[0003] The utility model aims to provide a femoral condyle prosthesis support grinding tool, aiming to solve the problem that the matching degree between the grinding tool and the femoral condyle prosthesis is poor, the femoral condyle prosthesis is unevenly stressed and easily damaged during the processing.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a femoral condyle prosthesis support grinding tool, including a tool body, a clamping station is arranged on the tool body, a clamping groove is arranged on the upper end face of the middle part of the clamping station, an adjustment component is arranged on the right side wall of the clamping groove, the right side wall of the first prosthesis side plate is against the left side wall of the adjustment component, and the left side wall of the second prosthesis side plate is against the left side wall of the clamping groove, the adjustment component includes a first adjustment plate and a first adjustment bolt, the left side wall of the first adjustment plate is provided with a first guide slope, the first guide slope gradually approaches the right side wall of the clamping groove from bottom to top, and the first adjustment bolt passes through the lower bottom surface of the clamping groove to limit the first adjustment plate.

[0005] In a possible implementation, the adjustment assembly also includes a second adjustment plate and a second adjustment bolt. The second adjustment plate is arranged on the left side of the first adjustment plate and has the freedom to move up and down. The right side wall of the second adjustment plate is provided with a second guide bevel, and the second guide bevel is in contact with the first guide bevel. The right side wall of the first prosthesis side plate is against the left side wall of the second adjustment plate. The second adjustment bolt passes through the lower bottom surface of the clamping groove to limit the second adjustment plate.

[0006] In a possible implementation manner, a height of the second adjustment plate is smaller than a height of the first adjustment plate.

[0007] In a possible implementation, a floating component is provided on the left side wall of the clamping groove, and the floating component includes a first floating plate and a first floating bolt. The left side wall of the first floating plate is provided with an arc surface. The first floating bolt penetrates the first floating plate from right to left. The first floating bolt is gap-connected with the first floating plate. The tail end of the first floating bolt is threadedly fixed, and the first floating plate has freedom of movement.

[0008] In a possible implementation, a second floating plate is arranged on the left side of the first floating plate, the tail end of the first floating bolt is threadedly connected to the second floating plate, a second floating bolt is arranged on the second floating plate, and the second floating bolt passes through the lower bottom surface of the clamping groove to limit the second floating plate.

[0009] In a possible implementation, a receiving groove for receiving the left end of the first floating plate is provided in the middle of the second floating plate, and an edge of the right side wall of the second floating plate matches an edge of the left side wall of the first floating plate.

[0010] In a possible implementation, a limiting bolt is disposed on the upper end of the second floating plate. The limiting bolt passes through the upper end surface of the second floating plate and abuts against the first floating bolt to limit the first floating bolt.

[0011] In one possible implementation, a wedge-shaped groove is provided on the rear side of the lower end surface of the clamping station, and the wedge-shaped groove is provided in the middle part of the clamping station. A floating wedge block is slidably provided in the wedge-shaped groove, and a third floating bolt is provided on the floating wedge block. The third floating bolt is clearance-matched with the floating wedge block, and the upper end of the third floating bolt is threadedly connected to the tooling body.

[0012] In a possible implementation, the height of the floating wedge block gradually increases as it approaches the rear end surface of the tooling body, and the shape of the rear end of the floating wedge block matches the inner wall of the rear end of the femoral condyle prosthesis.

[0013] In a possible implementation, two groups of the clamping stations are arranged side by side.

[0014] The beneficial effects of the femoral condyle prosthesis support grinding tool provided by the utility model are:

[0015] Compared with the prior art, a tooling body is provided, a clamping station for clamping a femoral condyle prosthesis is provided on the tooling body, the femoral condyle prosthesis is arranged above the tooling body, a clamping groove is provided in the middle of the clamping station, a first prosthesis side plate and a second prosthesis side plate of the femoral condyle prosthesis are located in the clamping groove, an adjustment component is provided on the right side wall of the clamping groove, the adjustment component is arranged in the clamping groove, the right side wall of the first prosthesis side plate is pressed against the left side wall of the adjustment component, and the adjustment component adjusts the femoral condyle prosthesis The first prosthesis side plate and the second prosthesis side plate of the body are limited in the clamping groove, the adjustment component includes a first adjustment plate and a first adjustment bolt, the first adjustment bolt limits the first adjustment plate in the clamping groove, the left side wall of the first adjustment plate is provided with a first guide slope, the first prosthesis side plate is pressed against and limited by the guide slope, the guide slope has a slope, which is suitable for various femoral condyle prosthesis sizes, the first prosthesis side plate and the tooling achieve floating cooperation, thereby increasing the adaptability of the femoral condyle prosthesis and the tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a femoral condyle prosthesis and a supporting grinding tool provided in an embodiment of the utility model;

[0018] Figure 2 Schematic diagram of the three-dimensional structure of the support grinding tool provided in the embodiment of the utility model Figure 1 ;

[0019] Figure 3 Schematic diagram of the three-dimensional structure of the support grinding tool provided in the embodiment of the utility model Figure 2 ;

[0020] Figure 4 Schematic diagram of the exploded structure of the support grinding tool provided by the embodiment of the utility model Figure 1 ;

[0021] Figure 5 Schematic diagram of the exploded structure of the support grinding tool provided by the embodiment of the utility model Figure 2 ;

[0022] Figure 6 Schematic diagram of the exploded structure of the support grinding tool provided by the embodiment of the utility model Figure 3 .

[0023] In the figure: 1. femoral condyle prosthesis; 2. first prosthesis side plate; 3. second prosthesis side plate; 4. tooling body; 5. clamping station; 6. clamping groove; 7. first adjustment plate; 8. first adjustment bolt; 9. first guide slope; 10. second adjustment plate; 11. second adjustment bolt; 12. second guide slope; 13. first floating plate; 14. first floating bolt; 15. arc surface; 16. second floating plate; 17. second floating bolt; 18. limit bolt; 19. accommodating groove; 20. wedge-shaped slide groove; 21. floating wedge block; 22. third floating bolt; 23. limit spring. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0025] Please refer to Figures 1 to 5 , a specific implementation method of a femoral condyle prosthesis support grinding tool provided by the utility model is now described, including a tool body 4, a clamping station 5 is arranged on the tool body 4, a clamping groove 6 is arranged on the upper end face of the middle part of the clamping station 5, an adjustment component is arranged on the right side wall of the clamping groove 6, the right side wall of the first prosthesis side plate 2 is against the left side wall of the adjustment component, and the left side wall of the second prosthesis side plate 3 is against the left side wall of the clamping groove 6, the adjustment component includes a first adjustment plate 7 and a first adjustment bolt 8, the left side wall of the first adjustment plate 7 is provided with a first guide inclined surface 9, the first guide inclined surface 9 gradually approaches the right side wall of the clamping groove 6 from bottom to top, and the first adjustment bolt 8 passes through the lower bottom surface of the clamping groove 6 to limit the first adjustment plate 7.

[0026] The utility model provides a femoral condyle prosthesis support grinding tool. Compared with the prior art, the utility model is provided with a tool body 4, a clamping station 5 for clamping a femoral condyle prosthesis 1 is provided on the tool body 4, the femoral condyle prosthesis 1 is arranged above the tool body 4, a clamping groove 6 is provided in the middle of the clamping station 5, a first prosthesis side plate 2 and a second prosthesis side plate 3 of the femoral condyle prosthesis 1 are located in the clamping groove 6, an adjustment component is provided on the right side wall of the clamping groove 6, the adjustment component is arranged in the clamping groove 6, the right side wall of the first prosthesis side plate 2 is pressed against the left side wall of the adjustment component On the top, the adjustment component limits the first prosthesis side plate 2 and the second prosthesis side plate 3 of the femoral condyle prosthesis 1 in the clamping groove 6. The adjustment component includes a first adjustment plate 7 and a first adjustment bolt 8. The first adjustment bolt 8 limits the first adjustment plate 7 in the clamping groove 6. The left side wall of the first adjustment plate 7 is provided with a first guide slope 9, and the first prosthesis side plate 2 is pressed and limited by the guide slope. The guide slope has a slope and is suitable for various sizes of femoral condyle prostheses 1. The first prosthesis side plate 2 and the tooling achieve floating cooperation, thereby increasing the adaptability of the femoral condyle prosthesis 1 and the tooling.

[0027] For details, please refer to Figures 1 to 5 , including a tooling body 4, a clamping station 5 is arranged on the tooling body 4, a clamping groove 6 is arranged on the upper end surface of the clamping station 5, and is used to clamp the femoral condyle prosthesis 1. The right side wall of the clamping groove 6 is provided with an adjustment component, and the adjustment component limits the first prosthesis side plate 2 and the second prosthesis side plate 3 of the femoral condyle prosthesis 1 in the clamping groove 6. The right side wall of the first prosthesis side plate 2 is against the left side wall of the adjustment component, and the left side wall of the second prosthesis side plate 3 is against the left side wall of the clamping groove 6. The adjustment component includes a first adjustment plate 7 and a first adjustment Bolt 8, the first adjusting bolt 8 passes through the lower bottom surface of the clamping groove 6 to limit the first adjusting plate 7 in the clamping groove 6, and the left side wall of the first adjusting plate 7 is provided with a first guiding slope 9. The distance between the first guiding slope 9 and the left side wall of the clamping groove 6 gradually decreases from top to bottom. The femoral condyle prosthesis 1 enters the clamping groove 6 from the top of the clamping groove 6 downward. Under the action of the first guiding slope 9, it can be adapted to a variety of femoral condyle prosthesis 1 sizes. The first prosthesis side plate 2 and the tooling achieve floating cooperation, thereby increasing the adaptability of the femoral condyle prosthesis 1 and the tooling.

[0028] As a specific implementation of the femoral condyle prosthesis support grinding tool provided by the utility model, please refer to Figures 1 to 5The adjustment assembly also includes a second adjustment plate 10 and a second adjustment bolt 11. The second adjustment plate 10 is arranged on the left side of the first adjustment plate 7 and has the freedom to move up and down. The right side wall of the second adjustment plate 10 is provided with a second guide slope 12. The second guide slope 12 is in contact with the first guide slope 9. The right side wall of the first prosthesis side plate 2 is against the left side wall of the second adjustment plate 10. The second adjustment bolt 11 passes through the lower bottom surface of the clamping groove 6 to limit the second adjustment plate 10.

[0029] For details, please refer to Figures 1 to 5 The adjustment assembly also includes a second adjustment plate 10 and a second adjustment bolt 11. The second adjustment bolt 11 penetrates the lower bottom surface of the clamping groove 6 to limit the second adjustment plate 10 in the clamping groove 6. The second adjustment bolt 11 is slidably connected to the lower bottom surface of the clamping groove 6 and is threadedly connected to the second adjustment plate 10. The second adjustment plate 10 can be pulled to adjust the height of the second adjustment plate 10. The right side wall of the second adjustment plate 10 is provided with a second guide inclined surface 12 that fits the first guide inclined surface 9. The top of the right side wall of the first prosthesis side plate 2 Lean against the left side wall of the second adjustment plate 10, pull the second adjustment plate 10 upwards, expand the distance between the left side wall of the second adjustment plate 10 and the left side wall of the clamping groove 6, put the first prosthesis side plate 2 and the second prosthesis side plate 3 of the femoral condyle prosthesis 1 into the clamping groove 6, put down the second adjustment plate 10, turn the second adjustment bolt 11, lock the second adjustment plate 10, the second adjustment plate 10 limits the femoral condyle prosthesis 1 to avoid displacement of the femoral condyle prosthesis 1 during processing, and increase the stability of the device.

[0030] For further information, please refer to Figures 1 to 5 A limit spring 23 is arranged between the lower end surface of the second adjustment plate 10 and the bottom of the clamping groove 6. The limit spring 23 is sleeved on the outer side of the bolt column of the second adjustment bolt 11. In an unstressed state, the second adjustment plate 10 is supported to prevent the second adjustment plate 10 from falling into the bottom of the clamping groove 6, which is conducive to placing the first prosthesis side plate 2 and the second prosthesis side plate 3 of the femoral condyle prosthesis 1 into the clamping groove 6, thereby increasing the convenience of using the device.

[0031] As a specific implementation of the femoral condyle prosthesis support grinding tool provided by the utility model, please refer to Figures 1 to 5 , the height of the second adjustment plate 10 is less than the height of the first adjustment plate 7 .

[0032] For details, please refer to Figures 1 to 5 In the vertical direction, the height of the second adjustment plate 10 is less than the depth of the clamping groove 6, that is, less than the height of the first adjustment plate 7, which facilitates the adjustment of the height of the second adjustment plate 10 and is beneficial to increasing the size of the femoral condyle prosthesis 1 adapted by the device.

[0033] As a specific implementation of the femoral condyle prosthesis support grinding tool provided by the utility model, please refer to Figures 1 to 5 A floating component is provided on the left side wall of the clamping groove 6, and the floating component includes a first floating plate 13 and a first floating bolt 14. The left side wall of the first floating plate 13 is provided with an arc surface 15. The first floating bolt 14 penetrates the first floating plate 13 from right to left. The first floating bolt 14 is gap-connected with the first floating plate 13. The tail end of the first floating bolt 14 is threadedly fixed, and the first floating plate 13 has freedom of movement.

[0034] For details, please refer to Figures 1 to 5 A floating component is provided on the left side wall of the clamping groove 6, and the floating component includes a first floating plate 13 and a first floating bolt 14. The first floating bolt 14 penetrates the first floating plate 13 from right to left to limit the first floating plate 13. A first floating hole is provided at the center of the first floating plate 13. The inner diameter of the first floating hole is larger than the outer diameter of the first floating bolt 14. The bottom surface of the nut of the first floating bolt 14 close to the stud is an arc surface 15. There is a gap between the first floating bolt 14 and the first floating hole. The left side wall of the first floating plate 13 is provided with an arc surface 15. The first floating plate 13 has freedom of movement relative to the tooling body 4. The first floating plate 13 floats to offset the processing error of the femoral condyle prosthesis 1, increase the adaptability of the femoral condyle prosthesis 1 to the tooling, and avoid damage to the femoral condyle prosthesis 1 during processing.

[0035] As a specific implementation of the femoral condyle prosthesis support grinding tool provided by the utility model, please refer to Figures 1 to 5 A second floating plate 16 is provided on the left side of the first floating plate 13, the tail end of the first floating bolt 14 is threadedly connected to the second floating plate 16, and a second floating bolt 17 is provided on the second floating plate 16. The second floating bolt 17 passes through the lower bottom surface of the clamping groove 6 to limit the second floating plate 16.

[0036] For details, please refer to Figures 1 to 5 The second floating plate 16 is arranged on the left side of the first floating plate 13, the first floating bolt 14 is fixed on the second floating plate 16, the tail end of the first floating bolt 14 is threadedly connected to the second floating plate 16, and the first floating plate 13 is limited to the right side of the second floating plate 16. The second floating bolt 17 limits the second floating plate 16, and the second floating bolt 17 passes through the lower bottom surface of the clamping groove 6 to limit the second floating plate 16 in the clamping groove 6. The second floating plate 16 cooperates with the first floating plate 13 to increase the stability of the fixation of the first floating plate 13.

[0037] As a specific implementation of the femoral condyle prosthesis support grinding tool provided by the utility model, please refer to Figures 1 to 5 A receiving groove 19 for receiving the left end of the first floating plate 13 is provided in the middle of the second floating plate 16 , and the edge of the right side wall of the second floating plate 16 matches the edge of the left side wall of the first floating plate 13 .

[0038] For details, please refer to Figures 1 to 5 A receiving groove 19 is provided in the middle of the second floating plate 16. The receiving groove 19 is a circular groove. The left end of the first floating plate 13 is located in the receiving groove 19, which is convenient for the movement of the first floating plate 13. The side walls around the receiving groove 19 of the second floating plate 16 match the edge of the left wall of the first floating plate 13, and the curvature is consistent, which is convenient for the movement of the first floating plate 13 and increases the stability of the device.

[0039] As a specific implementation of the femoral condyle prosthesis support grinding tool provided by the utility model, please refer to Figures 1 to 5 A limiting bolt 18 is disposed at the upper end of the second floating plate 16 . The limiting bolt 18 passes through the upper end surface of the second floating plate 16 and abuts against the first floating bolt 14 to limit the first floating bolt 14 .

[0040] For details, please refer to Figures 1 to 5 The limiting bolt 18 is arranged on the upper end surface of the second floating plate 16. The limiting bolt 18 penetrates into the upper end surface of the second floating plate 16 from top to bottom. The lower end of the limiting bolt 18 rests on the top of the first floating bolt 14 to limit the first floating bolt 14. After the femoral condyle prosthesis 1 is installed in place, the limiting bolt 18 limits the first floating bolt 14 to increase the stability of the fixation of the femoral condyle prosthesis 1 during use.

[0041] As a specific implementation of the femoral condyle prosthesis support grinding tool provided by the utility model, please refer to Figures 3 to 6 A wedge-shaped slot 20 is arranged on the rear side of the lower end surface of the clamping station 5, and the wedge-shaped slot 20 is arranged in the middle part of the clamping station 5. A floating wedge block 21 is slidably arranged in the wedge-shaped slot 20, and a third floating bolt 22 is arranged on the floating wedge block 21. The third floating bolt 22 is clearance-matched with the floating wedge block 21, and the upper end of the third floating bolt 22 is threadedly connected to the tooling body 4.

[0042] For details, please refer to Figures 3 to 6The wedge-shaped slide groove 20 is arranged on the lower end surface of the clamping station 5, on the rear side of the lower end surface of the clamping station 5, and is located in the middle position of the rear end side wall of the clamping groove 6. A floating wedge block 21 is arranged in the wedge-shaped slide groove 20. The floating wedge block 21 can be slidably arranged in the wedge-shaped slide groove 20. A third floating hole is arranged on the lower end surface of the floating wedge block 21. The third floating hole is a step hole. The third floating bolt 22 vertically penetrates the third floating hole of the floating wedge block 21 and penetrates into the tooling body 4. The upper end of the third floating bolt 22 is threadedly connected with the tooling body 4. The third floating bolt 22 is clearance-matched with the floating wedge block 21. There is a gap between the bolt cap of the third floating bolt 22 and the inner wall of the third floating hole. There is a gap, the bolt cap of the third floating bolt 22 is located below the step surface of the third floating hole, and the diameter of the bolt cap of the third floating bolt 22 is larger than the diameter of the upper hole of the third floating hole, and there is a gap between the upper hole of the third floating hole and the stud of the third floating bolt 22. The floating wedge block 21 adjusts its position according to actual conditions and rests on the inner wall of the rear end of the femoral condyle prosthesis 1 to achieve floating fit, which is suitable for various sizes of femoral condyle prosthesis 1 and eliminates the manufacturing error of the femoral condyle prosthesis 1. The femoral condyle prosthesis 1 can adapt to the grinding tooling, increase the matching degree between the femoral condyle prosthesis 1 and the grinding tooling, facilitate the grinding of the femoral condyle prosthesis 1, and improve the quality of the femoral condyle prosthesis 1.

[0043] As a specific implementation of the femoral condyle prosthesis support grinding tool provided by the utility model, please refer to Figures 3 to 6 The height of the floating wedge block 21 gradually increases as it approaches the rear end surface of the tooling body 4 , and the shape of the rear end of the floating wedge block 21 matches the inner side wall of the rear end of the femoral condyle prosthesis 1 .

[0044] For details, please refer to Figures 3 to 6 The height of the rear end of the floating wedge block 21 is greater than the height of the front end, and the shape of the rear end of the floating wedge block 21 matches the inner wall of the rear end of the femoral condyle prosthesis 1, reducing damage to the femoral condyle prosthesis 1.

[0045] As a specific implementation of the femoral condyle prosthesis support grinding tool provided by the utility model, please refer to Figures 1 to 6 , there are two groups of clamping stations 5 arranged side by side.

[0046] For details, please refer to Figures 1 to 6 Two groups of clamping stations 5 are arranged on a set of tooling body 4, and the two groups of clamping stations 5 are arranged along the length direction of the tooling body 4 to improve the processing efficiency.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A femoral condyle prosthesis support grinding tool, characterized in that: It includes a tooling body, which is provided with a clamping station, and the upper end face of the middle part of the clamping station is provided with a clamping groove, and the right side wall of the clamping groove is provided with an adjustment component, the right side wall of the first prosthesis side plate is against the left side wall of the adjustment component, and the left side wall of the second prosthesis side plate is against the left side wall of the clamping groove, the adjustment component includes a first adjustment plate and a first adjustment bolt, the left side wall of the first adjustment plate is provided with a first guide slope, the first guide slope gradually approaches the right side wall of the clamping groove from bottom to top, and the first adjustment bolt passes through the lower bottom surface of the clamping groove to limit the first adjustment plate.

2. A femoral condyle prosthesis support grinding tool as claimed in claim 1, characterized in that: The adjustment assembly also includes a second adjustment plate and a second adjustment bolt. The second adjustment plate is arranged on the left side of the first adjustment plate and has the freedom to move up and down. The right side wall of the second adjustment plate is provided with a second guide slope. The second guide slope is in contact with the first guide slope. The right side wall of the first prosthesis side plate is against the left side wall of the second adjustment plate. The second adjustment bolt passes through the lower bottom surface of the clamping groove to limit the second adjustment plate.

3. A femoral condyle prosthesis support grinding tool as claimed in claim 2, characterized in that: The height of the second adjustment plate is smaller than the height of the first adjustment plate.

4. A femoral condyle prosthesis support grinding tool as claimed in claim 1, characterized in that: A floating component is provided on the left side wall of the clamping groove, and the floating component includes a first floating plate and a first floating bolt. The left side wall of the first floating plate is provided with an arc surface. The first floating bolt penetrates the first floating plate from right to left. The first floating bolt is gap-connected with the first floating plate. The tail end of the first floating bolt is threadedly fixed, and the first floating plate has freedom of movement.

5. A femoral condyle prosthesis support grinding tool as claimed in claim 4, characterized in that: A second floating plate is arranged on the left side of the first floating plate, the tail end of the first floating bolt is threadedly connected to the second floating plate, a second floating bolt is arranged on the second floating plate, and the second floating bolt passes through the lower bottom surface of the clamping groove to limit the second floating plate.

6. A femoral condyle prosthesis support grinding tool as claimed in claim 5, characterized in that: A receiving groove for receiving the left end of the first floating plate is disposed in the middle of the second floating plate, and an edge of the right side wall of the second floating plate matches an edge of the left side wall of the first floating plate.

7. A femoral condyle prosthesis support grinding tool as claimed in claim 5, characterized in that: A limiting bolt is disposed at the upper end of the second floating plate. The limiting bolt passes through the upper end surface of the second floating plate and abuts against the first floating bolt to limit the first floating bolt.

8. The femoral condyle prosthesis support grinding tool as claimed in claim 1, characterized in that: A wedge-shaped groove is arranged on the rear side of the lower end surface of the clamping station, and the wedge-shaped groove is arranged in the middle part of the clamping station. A floating wedge block is slidably arranged in the wedge-shaped groove, and a third floating bolt is arranged on the floating wedge block. The third floating bolt is clearance-matched with the floating wedge block, and the upper end of the third floating bolt is threadedly connected to the tooling body.

9. A femoral condyle prosthesis support grinding tool as claimed in claim 8, characterized in that: The height of the floating wedge block gradually increases as it approaches the rear end surface of the tooling body, and the shape of the rear end of the floating wedge block matches the inner side wall of the rear end of the femoral condyle prosthesis.

10. The femoral condyle prosthesis support grinding tool as claimed in claim 1, characterized in that: The clamping stations are arranged in two groups side by side.