一种内踝截骨辅助结构及包括其的内踝截骨装置

Abstract

本实用新型涉及骨科医疗技术领域，公开一种内踝截骨辅助结构及包括其的内踝截骨装置。一种内踝截骨辅助结构，包括：定位结构，定位结构上设有用于承托截骨件的承托面；截骨引导结构，截骨引导结构上设有用于引导截骨件的引导通道，引导通道的出口正对承托面；连接结构，定位结构和截骨引导结构分别设于连接结构的两端，连接结构可避让胫骨，使得截骨时，连接结构设有截骨引导结构的一端位于胫骨远离距骨的一侧，连接结构设有定位结构一端绕过胫骨并伸入至胫骨和距骨之间。有益效果：提高截骨准确性和成功率，有利于提高手术质量、缩短患者恢复时间和手术用时。

Claims

1. A medial malleolus osteotomy auxiliary structure, characterized in that: include: The positioning structure (1) is provided with a support surface (111) for supporting the osteotomy piece (4); The osteotomy guide structure (2) is provided with a guide channel (22) for guiding the osteotomy piece (4), and the outlet of the guide channel (22) is directly opposite the support surface (111); The connecting structure (3) has a positioning structure (1) and an osteotomy guide structure (2) respectively located at both ends of the connecting structure (3). During osteotomy, the connecting structure (3) can avoid the tibia (10), such that the end of the connecting structure (3) with the osteotomy guide structure (2) is located on the side of the tibia (10) away from the talus (20), and the end of the connecting structure (3) with the positioning structure (1) bypasses the tibia (10) and extends between the tibia (10) and the talus (20).

2. The medial malleolus osteotomy assist structure of claim 1, wherein: The connecting structure (3) is at least partially bent and forms a clearance space (34) on its inner side. During osteotomy, the medial malleolar structure (30) of the tibia (10) is at least partially located within the clearance space (34).

3. The medial malleolus osteotomy assist structure of claim 1 or 2, wherein: The connecting structure (3) includes a first connecting part (31), a holding part (33), and a second connecting part (32) arranged in sequence. The first connecting part (31) connects the osteotomy guide structure (2) and the holding part (33), and the second connecting part (32) connects the holding part (33) and the positioning structure (1).

4. The medial malleolus osteotomy assist structure of claim 1, wherein: The positioning structure (1) includes a positioning pad (11), and the bottom of the positioning pad (11) has a positioning surface (112) that matches the shape of the talus (20) surface.

5. The medial malleolus osteotomy auxiliary structure according to claim 4, characterized in that: The positioning pad (11) is detachably connected to the connecting structure (3).

6. The medial malleolus osteotomy assist structure of claim 5, wherein: The connecting structure (3) is provided with a mounting screw (321) at one end corresponding to the positioning pad (11). The positioning pad (11) is provided with a mounting screw hole (113) that matches the mounting screw (321). The mounting screw hole (113) is perpendicular to the arrangement direction of the positioning surface (112) and the supporting surface (111).

7. The medial malleolus osteotomy assist structure of claim 1, wherein: The osteotomy guide structure (2) includes a guide sleeve (21), the inner hole of which is the guide channel (22).

8. The medial malleolus osteotomy assist structure of claim 1, wherein: The osteotomy guide structure (2) includes a connecting plate (23) and a plurality of guide rings (231) spaced apart on the connecting plate (23). The plurality of guide rings (231) are coaxially arranged, and the guide channel (22) passes through the plurality of guide rings (231).

9. A medial malleolus osteotomy device characterized by: Includes the medial malleolus osteotomy auxiliary structure as described in any one of claims 1 to 8 and the osteotomy component (4).

10. A device for use in a medial malleolus osteotomy according to claim 9, wherein: The osteotomy component (4) includes an osteotomy saw.

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