Porous tibia cushion block
The integrated structure of the porous tibial pad and shaft manufactured through 3D printing solves the problems of insufficient contact area and bone cement syndrome in traditional knee prostheses, achieves stable connection and reduces the occurrence of bone cement syndrome, and improves the mechanical properties and heat resistance of the porous structure.
Patent Information
- Application Number
- CN202422220276.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The contact area between the positioning rod of traditional knee prosthesis and the medullary cavity is too small, resulting in local pressure concentration and severe wear. Bone cement implantation may cause bone cement syndrome, and the porous pad has poor mechanical properties and is easy to fall off.
The porous tibial pad, manufactured using 3D printing technology, combines an integrated shaft and peripheral structure. The shaft serves as the main load-bearing structure, limiting the diffusion of bone cement, avoiding bone cement syndrome, and promoting bone ingrowth through the porous structure.
It improves the connection stability between the tibial base and the tibia, reduces the incidence of bone cement syndrome, enhances the mechanical properties and heat resistance of the porous structure, and avoids local wear and falling off.