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KNOCHENSCHRAUBE UND HERSTELLUNGSVERFAHREN DAFÜR
专利权人:
LLC;MEDICAL FACETS
发明人:
WILLERT, WAYNE, A.,LOVELL, KEVIN, J.,RUPP, GLENN, A.
申请号:
EP08851629
公开号:
EP2219812A4
申请日:
2008.11.18
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
A faceted bone screw and a method for manufacturing the same includes a screw thread configuration having facets that are substantially transverse to the thread. The facets are generally made up of a plurality of transitioning peaks and valleys which vary the depth of the thread and are disposed in one or more locations throughout the threaded portion of the bone screw. The facets operate to reduce the torque required to drive the bone screw into bone, while at the same time operate to assist in anchoring the bone screw within the bone once inserted therein, and thereby reduce the possibility for the screw backing out after insertion.
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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