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Screw driver with release for a multiaxial bone screw
专利权人:
发明人:
Shresta Marigowda
申请号:
US13915686
公开号:
US09295500B2
申请日:
2013.06.12
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A screwdriver with a release for driving a multi-axial bone screw into a vertebra of the spine includes an elongate shaft defining a driving tip at its distal end for engaging and rotating the head of the bone screw. The screw driver includes a screw engagement member affixed to the shaft for joint rotational movement therewith, the screw engagement member comprising a releasable retention member for releasable attachment to the bone screw yoke. A release member is disposed about the elongate shaft comprising a hollow grip sleeve and a hollow push sleeve joined together for common axial movement along the elongate shaft. The grip sleeve is freely rotatable about the shaft and the push sleeve is rotatable relative to the grip sleeve and engaged with a proximal portion of the shaft for joint rotational movement therewith.
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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