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VIS À OS À POINTE ÉMOUSSÉE
专利权人:
DePuy Synthes Products; Inc.
发明人:
申请号:
EP19174143.8
公开号:
EP3560449A1
申请日:
2015.10.29
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
In one embodiment, a bone screw includes a shaft having a proximal shaft end and a distal shaft end spaced from the proximal shaft end in a distal direction along a central axis. The shaft is helically threaded between the proximal and distal shaft ends. A tip extends from the distal shaft end in the distal direction, and defines a plurality of lands with cutting flutes disposed between adjacent lands. Each land has a bore-cutting edge that extends from an inner cutting edge end to an outer cutting edge end. The inner cutting edge end is disposed at a center of the distal end of the tip, and the outer cutting edge end is spaced from the center of the distal end of the tip. The bore-cutting edges may blunt the feel of the tip so as to reduce the likelihood of soft-tissue damage.
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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