Yung-Fang Tsai,Wei-Kai Wang,Yang-Hwei Tsuang,Yi-Jie Kuo
申请号：
US13225423
公开号：
US20120245632A1
申请日:
2011.09.03
申请国别(地区):
US
年份:
2012
代理人:
摘要：
A bone anchor comprises a screw body and a flange, which are joined together in a way to keep their rotation independent from each other. In implanting the screw body into a bone, the flange does not rotate to prevent twisting and/or snarling of the suture in wounded bone from occurring.
