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Bone screw
专利权人:
Gary Jack Reed
发明人:
Gary Jack Reed
申请号:
US13815504
公开号:
US20140257409A1
申请日:
2013.03.06
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A threaded fastener for embedment into bone is disclosed. Threads are formed on cylindrical stock. The thread pattern features upper and lower surfaces. The upper surface includes (in section) two facets which intersect to form a “V” shaped contour and a lower surface which is undercut below an upper facet nearest a root of the fastener thread. The fastener includes a self-tapping cutter at a distal extremity and a driving head at its proximal extremity. The cylindrical stock contemplates two variants: it may be hollow from the proximal end to the self-tapping cutter or from the self-tapping cutter to its distal end. The self-tapping cutter is configured to feed bone shards into the hollow.
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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