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    • 7. 发明申请
    • SYSTEM AND METHOD FOR JOINT ARTHROPLASTY
    • 用于联合牙周病的系统和方法
    • US20110190897A1
    • 2011-08-04
    • US13086747
    • 2011-04-14
    • Michael GuideraMichael A. SerraDaniel F. JustinChad W. Lewis
    • Michael GuideraMichael A. SerraDaniel F. JustinChad W. Lewis
    • A61F2/38
    • A61F2/3868A61F2/389A61F2002/30383A61F2002/305A61F2002/30616A61F2002/30878
    • An orthopaedic joint prosthesis may include a first component, a bearing component, and a third component. The first component has a base and a keel protruding from the base to extend into a first bone. The keel's longitudinal axis is offset from a geometric center of the base. The base has a first articular surface and the bearing component has a second articular surface shaped to articulate with the first articular surface. A feature unitary with the first component reversibly attaches to the bearing component. The bearing component has a third articular surface shaped to articulate with a fourth articular surface on the third component. A distraction feature of the bearing component is shaped to provide alignment and/or distraction between the first articular surface and the fourth articular surface during insertion of the bearing component into a joint space between the first and second bones.
    • 矫形关节假体可以包括第一部件,支承部件和第三部件。 第一部件具有基部和从基部伸出以延伸到第一骨中的龙骨。 龙骨的纵向轴线偏离基座的几何中心。 基部具有第一关节表面,并且轴承部件具有成形为与第一关节表面铰接的第二关节表面。 与第一部件可逆地连接到轴承部件的单一结构。 轴承部件具有成形为与第三部件上的第四关节表面铰接的第三关节表面。 轴承部件的牵引特征被成形为在将轴承部件插入到第一和第二骨骼之间的关节空间中时在第一关节表面和第四关节表面之间提供对准和/或牵引。