发明授权
- 专利标题： Device and unit for the posterior dynamic guidance of the spine and treatment system comprising such a device
- 专利标题（中）： 包括这种装置的脊柱和治疗系统的后动态引导的装置和单元
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申请号： US12155115申请日： 2008-05-29
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公开(公告)号： US08048114B2公开(公告)日： 2011-11-01
- 发明人: Alain Tornier
- 申请人： Alain Tornier
- 申请人地址： FR Dainville
- 专利权人： Clariance
- 当前专利权人： Clariance
- 当前专利权人地址： FR Dainville
- 代理机构： Young & Thompson
- 优先权： FR0703881 20070531
- 主分类号： A61B17/70
- IPC分类号： A61B17/70
摘要：
A guidance device including two vertebral units adapted to be fixed to the posterior side of two adjacent vertebrae of the spine and wherein the two units have substantially spherical complementary articulation surfaces which, when the units are fixed to the vertebrae, extend overall on the posterior side of the vertebrae and slide against one another about a center point located in the intervertebral space that separates the vertebrae, and wherein the device also includes a mechanical element to limit an amplitude of the relative sliding of the articulation surfaces.
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