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VIS A AUTO-COMPRESSION PERMETTANT DE GENERER ET D'APPLIQUER UNE COMPRESSION A L'INTERIEUR D'UN CORPS
专利权人:
ARTHREX; INC.
发明人:
PALMER, MATTHEW,NEALON, KAITLYN,DEVANEY, ROBERT,FONTE, MATTHEW
申请号:
CA2975320
公开号:
CA2975320A1
申请日:
2016.01.28
申请国别(地区):
CA
年份:
2016
代理人:
摘要:
A compression screw comprising: a shaft capable of being stretched, the shaft having a proximal end and a distal end, the proximal end of the shaft comprising a bone-engaging feature and the distal end of the shaft comprising a distal screw thread, and the proximal end of the shaft comprising a drive feature for turning the shaft; wherein inserting the compression screw into bone across a fracture line generates a force, and wherein the force generates a stress in the shaft that causes the shaft to stretch to less than its elastic limit; and wherein, after the shaft is inserted into a bone, the shaft attempts to foreshorten to its original un-stretched condition, thereby generating and maintaining compression across the fracture line.
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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