发明申请
- 专利标题: Multi-level Polyaxial Screw Connection Mechanism
- 专利标题(中): 多级多轴螺旋连接机构
-
申请号: US12474970申请日: 2009-05-29
-
公开(公告)号: US20100305615A1公开(公告)日: 2010-12-02
- 发明人: Mohamed Ahmed Hafez Ramadan , Mahmoud F. Abdelgany
- 申请人: Mohamed Ahmed Hafez Ramadan , Mahmoud F. Abdelgany
- 申请人地址: US NJ Parsippany
- 专利权人: Custom Spine, Inc.
- 当前专利权人: Custom Spine, Inc.
- 当前专利权人地址: US NJ Parsippany
- 主分类号: A61B17/70
- IPC分类号: A61B17/70 ; A61B17/86
摘要:
A multi-level polyaxial screw connection mechanism includes a bone fixation component and a head component directly connected to the bone fixation component. The head component includes a lower portion comprising at least one lower portion concave socket configured and an upper portion elevated compared with the lower portion. The upper portion comprises at least one upper portion concave socket configured and the lower portion(s) concave socket comprises a volume substantially equal to a volume of the upper portion(s) concave socket.