- 专利标题: POLYAXIAL BONE ANCHORING DEVICE
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申请号: US18643619申请日: 2024-04-23
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公开(公告)号: US20240341819A1公开(公告)日: 2024-10-17
- 发明人: Timo Biedermann , Wilfried Matthis
- 申请人: BIEDERMANN TECHNOLOGIES GMBH & CO. KG
- 申请人地址: DE Donaueschingen
- 专利权人: BIEDERMANN TECHNOLOGIES GMBH & CO. KG
- 当前专利权人: BIEDERMANN TECHNOLOGIES GMBH & CO. KG
- 当前专利权人地址: DE Donaueschingen
- 优先权: EP 198406.5 2017.10.25
- 主分类号: A61B17/70
- IPC分类号: A61B17/70 ; A61B17/56 ; A61B17/86
摘要:
A bone anchoring device includes a receiving part for coupling a rod to a bone anchoring element, the receiving part having a first end, a second end, a recess at the first end for receiving the rod, and a compressible head receiving portion at the second end for accommodating a head of the bone anchoring element, a pressure member positionable in the receiving part to exert pressure on the head, and a clamping ring positionable around the head receiving portion and movable towards the first end of the receiving part to a locking position where the clamping ring exerts force on and compresses the head receiving portion. In the locking position, at least part of the clamping ring that faces the first end of the receiving part is exposed to the outside to facilitate movement of the clamping ring away from the first end of the receiving part.
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