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Receiving part for receiving a rod for coupling the rod to a bone anchoring element and a bone anchoring device with such a receiving part
专利权人:
Lutz Biedermann
发明人:
Lutz Biedermann,Wilfried Matthis,Berthold Dannecker
申请号:
US12645335
公开号:
US08506610B2
申请日:
2009.12.22
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A receiving part for receiving a rod for coupling the rod to a bone anchoring element, the receiving part including: a receiving part body including a rod receiving portion with a channel for receiving a rod, and a head receiving portion for accommodating a head of a bone anchoring element, the head receiving portion having an open end and being flexible for inserting and clamping of the head a locking ring around the head receiving portion to exert a first force onto the head receiving portion to lock the head therein and a pre-locking ring separate from the locking ring and around the head receiving portion to exert a second force less than the first force onto the head receiving portion to clamp the head in a temporary pre-locking position.
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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