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发明授权
US08449551B2 Device, method and system for digitizing position and orientation information of hip joint implant components 有权
用于数字化髋关节植入部件的位置和方向信息的装置，方法和系统

Device, method and system for digitizing position and orientation information of hip joint implant components
摘要：
A device (10,10′,20,20′) for digitizing a center of rotation of a hip joint implant component (A,F) with respect to a bone element in computer-assisted surgery. The device (10,10′,20,20′) comprises a detectable member (12,22) trackable for position and orientation by a computer-assisted surgery system (30). A body (11,21) is connected to the detectable member (12,22) in a known geometry. The body (11,21) has a coupling portion (14,14′,24,25) adapted to be coupled to the hip joint implant component (A,F) in a predetermined configuration. The center of rotation of the hip joint implant component (A,F) is calculable in the predetermined configuration as a function of the known geometry and of the position and orientation of the detectable member (12,22).
摘要（中）：

一种用于在计算机辅助手术中相对于骨元件数字化髋关节植入部件（A，F）的旋转中心的装置（10,10'，20,20'）。 所述装置（10,10'，20,20'）包括可由计算机辅助手术系统（30）跟踪以用于位置和取向的可检测构件（12,22）。 主体（11,21）以已知的几何形状连接到可检测构件（12,22）。 主体（11,21）具有适于以预定配置联接到髋关节植入部件（A，F）的联接部分（14,14'，24,25）。 髋关节植入物组件（A，F）的旋转中心可根据已知几何形状和可检测构件（12,22）的位置和取向的函数在预定构造中计算。

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