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Apparatus and method for identifying tibia bone rotation in knee implant surgery
Apparatus and method for identifying tibia bone rotation in knee implant surgery
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机译:在膝关节植入术中识别胫骨旋转的装置和方法
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摘要
A method and an apparatus are disclosed for identifying a proper tibia bone rotation relative to the femur bone for orientating a prosthesis in a knee replacement surgery. The proper tibia bone rotation is identified from an external rotation of the tibia in extension and an internal rotation of the tibia flexion. A point located midway between the external and internal rotations and a Whiteside line of the femur defines a center axis of tibia rotation plane. The rotational angles of the tibia may be measured by a mechanical goniometer or a computer navigation apparatus.
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