发明授权
- 专利标题： Low profile spinal prosthesis incorporating a bone anchor having a deflectable post and a compound spinal rod
- 专利标题（中）： 包括具有可偏转柱和复合脊柱杆的骨锚的薄型脊椎假体
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申请号： US12959200申请日： 2010-12-02
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公开(公告)号： US08257397B2公开(公告)日： 2012-09-04
- 发明人: Charles J. Winslow , Steven T. Mitchell , John J. Flynn , James F. Zucherman , Ken Y. Hsu , Henry A. Klyce , H. Adam R. Klyce
- 申请人： Charles J. Winslow , Steven T. Mitchell , John J. Flynn , James F. Zucherman , Ken Y. Hsu , Henry A. Klyce , H. Adam R. Klyce
- 申请人地址： US CA Concord
- 专利权人： Spartek Medical, Inc.
- 当前专利权人： Spartek Medical, Inc.
- 当前专利权人地址： US CA Concord
- 代理机构： Fliesler Meyer LLP
- 主分类号： A61B17/70
- IPC分类号： A61B17/70
摘要：
A bone anchor comprising a self-centering ball-joint suitable for use in a spine stabilization prosthesis which supports the spine while providing for the preservation of spinal motion. The bone anchor has a deflectable ball-rod partially received in a socket of a housing formed in the head of the bone anchor. A centering rod received partially in the ball-rod and partially within the housing operates to align the ball-rod with the longitudinal axis of the bone anchor. Deflection of the ball-rod bends the centering rod which in turn applies a restoring force upon the ball-rod.
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