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    • 3. 发明授权
    • Prosthetic joint for total knee replacement
    • 用于总卡尔替换的预制接头
    • US3824630A
    • 1974-07-23
    • US26557772
    • 1972-06-23
    • ZIMMER MFG CO
    • JOHNSTON L
    • A61F2/38A61F1/24
    • A61F2/385A61F2/3854
    • The embodiment disclosed herein illustrates a joint prosthesis for total knee replacement. The joint prosthesis includes a first prosthetic member including a stem member adapted for insertion into a first skeleton element and further including a first joint-forming member at one end of the stem member to provide a convexly shaped articulation surface. A second prosthetic member includes a stem for insertion into a second skelton element disposed adjacent the first skeleton element and is also provided with a second joint-forming member at the other end thereof to provide a concavely shaped articulation surface. The convexly shaped articulation surface cooperates with the concavely shaped articulation surface by means of a connecting link having a ball joint at one end and a pivot joint at the other end. The movement of the prosthesis closely approximates that of the actual knee joint movement.
    • 本文公开的实施例示出了用于全膝关节置换的关节假体。 关节假体包括第一假体构件,其包括适于插入到第一骨架元件中的杆构件,并且还在杆构件的一端处包括第一接头形成构件以提供凸形的关节表面。 第二假体构件包括用于插入到与第一骨架元件相邻设置的第二骨架元件中的杆,并且在其另一端处还设置有第二接头形成构件,以提供凹形的关节表面。 凸形关节表面借助于一端具有球窝接头的连接连杆和另一端的枢轴接头与凹形铰接表面配合。 假体的运动与实际膝关节运动的运动非常接近。