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協助對骨折部位進行剛硬骨縫合術的骨內用螺釘及矯形裝置
专利权人:
发明人:
申请号:
HK11114103.2
公开号:
HK1159453A
申请日:
2011.12.30
申请国别(地区):
HK
年份:
2012
代理人:
摘要:
Endosseous screw (1) for fixing a plate (102) to a bone site (300), comprising an at least partially threaded shaft (2), insertion means for inserting the screw into a bone site and a distal portion (33) provided for engaging said plate to fasten it to said bone site and comprising a head (3) having facets (30) defining an external peripheral profile provided for engagement with a tubular manipulating wrench, to allow the screw (1) to be extracted from the bone site (300) into which it has been inserted, wherein the facets (30) are curvilinear and the external peripheral profile defined by same facets (30) has a convex barrel-like shape, in order to allow a stable coupling between the tubular manipulating wrench and said profile, which is maintained during the untightening phase of screw from plate, even when said tubular manipulating wrench is oriented in an inclined direction with respect to a longitudinal axis (x) of the endosseous screw (1).
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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