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发明名称
肱骨干自锁髓内针
摘要
一种肱骨干自锁髓内针,由内针和外针组合而成,其外针上设有导轨,所述的内针插入该导轨内,并沿该导轨呈坡状的开口端展开,内针设有宽出外针的侧刃;其特征在于所述的外针的上端头部呈防径向转动的形状,所述导轨呈坡状的开口端向上;组合后针体的下端至少设有一个定位装置,由该定位装置配合交锁螺钉将针体下端固定于骨内。本发明从肱骨的下端进入髓内,并在肱骨的下端进行轴向防短缩固定,不会对肩关节功能产生任何不良的影响。
申请公布号
CN1375264A
申请公布日期
2002.10.23
申请号
CN01109640.3
申请日期
2001.03.15
申请人
李健民
发明人
李健民
分类号
A61B17/72
主分类号
A61B17/72
代理机构
代理人
主权项
1、一种肱骨干自锁髓内针,由内针和外针组合而成,其外针上设有导轨,所述的内针插入该导轨内,并沿该导轨呈坡状的开口端展开,内针设有宽出外针的侧刃;其特征在于所述的外针的上端头部呈防径向转动的形状,所述导轨呈坡状的开口端向上;组合后针体的下端至少设有一个定位装置,由该定位装置配合交锁螺钉将针体下端固定于骨内。
地址
100700北京市东四南门仓北京军区总院骨科
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