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Locking and lagging bone screws
专利权人:
DePuy Synthes Products; Inc.
发明人:
Daniel Vennard,William Miller
申请号:
US13678813
公开号:
US09060821B2
申请日:
2012.11.16
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A locking and lagging bone screw. The screw includes a head having an outer surface which is at least partially threaded and a shaft which is at least partially threaded having a first end coupled to the head and a second end adapted to be fastened to bone. The head of the screw is able to rotate independently of the shaft. Thus, the head of the screw can be locked to a bone plate by using a first driver (e.g., a torx driver) and the plate can be lagged to the bone by using a second driver (e.g., a hex driver).
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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