A tibial component for a canine knee replacement

The multi-directional adjustable design of the tibial osteotomy guide plate for canine knee replacement solves the problem of insufficient adjustment freedom in existing technologies, enabling precise osteotomy and prosthesis installation, and improving the accuracy and adaptability of the surgery.

CN122398403APending Publication Date: 2026-07-17GUANGDONG AIB POLYTECHNIC COLLEGE +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGDONG AIB POLYTECHNIC COLLEGE
Filing Date
2026-05-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing canine osteotomy guides cannot be adjusted in multiple degrees of freedom according to breed differences and individual anatomical variations, resulting in poor fit between the guide and the tibia, osteotomy surface misalignment, and difficulty in achieving parallel alignment, distance matching, and guide groove fit, which affects the accuracy of prosthesis installation and postoperative joint function recovery.

Method used

A modular osteotomy guide plate for tibia in canine knee replacement was designed. Through multi-directional adjustment of the upper guide plate relative to the lower support plate, the osteotomy guide groove is ensured to accurately guide the saw blade at an 83° angle. The plate includes a combination structure of a central connecting rod, an upper guide plate, and a lower support plate. It is fixed with Kirschner wires to achieve multi-degree-of-freedom adjustment and precise osteotomy.

Benefits of technology

It improves the precision and stability of osteotomy, ensures the accuracy of osteotomy surface and prosthesis installation, and enhances surgical adaptability and postoperative joint function recovery.

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Abstract

本发明涉及辅助医疗器械技术领域,具体是涉及一种犬膝关节置换胫骨组配式截骨导板及截骨方法。包括中心连接杆;上导板,设置在所述中心连接杆的一端,所述上导板沿其长度方向开设有贯通的截骨导槽;下撑板,设置在所述中心连接杆的另一端,所述下撑板在水平方向上垂直于所述中心连接杆的轴线方向,所述截骨导槽的延伸方向与所述中心连接杆的轴线之间呈83°的固定夹角;所述上导板设有若干沿其长度方向等间距排列的第一克氏针孔;所述下撑板设有若干沿其长度方向等间距排列的第二克氏针孔。本发明通过上导板相对下撑板的多向调节,确保截骨导槽以83°夹角精准引导锯片,稳定截出7°后倾截骨面。
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