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COUPLING DEVICE FOR COUPLING A BONE ANCHOR TO A ROD AND BONE ANCHORING DEVICE WITH SUCH A COUPLING DEVICE
专利权人:
BIEDERMANN TECHNOLOGIES GMBH &; CO. KG
发明人:
Timo Biedermann,Wilfried Matthis,Bernd Fischer
申请号:
US16544252
公开号:
US20200038066A1
申请日:
2019.08.19
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A coupling device for coupling a bone anchor to a rod includes a receiving part having a longitudinal axis, a channel for receiving a rod, and an accommodation space for holding a head of a bone anchor, a pressure member having a first portion for holding and clamping the head and a deformable portion with a free end, and a locking member. The pressure member is expandable for inserting the head and adjustable to lock the head. When the deformable portion is at a first configuration, the free end of the deformable portion is supported by the receiving part, and at least part of the locking member is movable to exert a force on the deformable portion for adjusting the deformable portion to a second configuration where at least part of the deformable portion is farther away from the longitudinal axis compared to the first configuration.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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