发明授权
- 专利标题: Vertebral disc tensioning device
- 专利标题(中): 椎间盘张紧装置
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申请号: US12492909申请日: 2009-06-26
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公开(公告)号: US07896904B2公开(公告)日: 2011-03-01
- 发明人: Miguelangelo J. Perez-Cruet , John R. Pepper
- 申请人: Miguelangelo J. Perez-Cruet , John R. Pepper
- 申请人地址: US MI Bloomfield Hills
- 专利权人: Mi4Spine, LLC
- 当前专利权人: Mi4Spine, LLC
- 当前专利权人地址: US MI Bloomfield Hills
- 代理机构: Miller IP Law, PLC
- 代理商 John A. Miller
- 主分类号: A61B17/70
- IPC分类号: A61B17/70
摘要:
A vertebral disc tensioning device that restores the loss of disc height as a result of disc degeneration and other factors. The device includes first and second pedicle screws each including a screw body portion and a ball head. The device also includes first and second screw head portions each including an internal threaded bore where the first screw is inserted in the first screw head portion and is pivotally mounted relative thereto and the second screw is inserted in the second screw head portion and is pivotally mounted thereto. The device also includes a rigid connector that couples the first and second screw head portions where bolts are threaded through the connector and into the internal threaded bores of the first and second screw head portions. The device also includes a spring assembly offset from the rigid connector that applies a bias to separate the pedicle screws.
公开/授权文献
- US20090259258A1 VERTEBRAL DISC TENSIONING DEVICE 公开/授权日:2009-10-15
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