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    • 5. 发明授权
    • Modular knee prosthesis
    • 模块膝关节假体
    • US5556433A
    • 1996-09-17
    • US347828
    • 1994-12-01
    • Stefan M. GabrielDavid G. Sheehan
    • Stefan M. GabrielDavid G. Sheehan
    • A61F2/00A61F2/38
    • A61F2/3859A61F2002/30497A61F2220/0025
    • A modular knee prosthesis includes a femoral component having a pair of spaced apart condylar portions each having a superior articulating surface and an inferior surface, and a boss structure disposed between and connecting the condylar portions. The prosthesis further includes an elongate stem member that mounts within the medullary canal of a distal portion of a femur, a collar and at least one securing bolt. The collar mounts upon the external end of the stem member, and has a distal surface that is substantially transverse to a longitudinal axis of the stem member when mounted thereon. The collar distal surface and the inferior surface of the boss structure define a selected mounting angle therebetween, and the securing bolt, which is adapted to mount within an aperture formed in the boss structure, has a head portion with a spherical first surface from which an elongate shaft portion extends. The shaft of the securing bolt can be disposed at a generally centrally located position or at a non-centrally located position on the head portion of the bolt.
    • 模块化膝关节假体包括具有一对间隔开的髁突部分的股骨部件,每个髁部分具有上关节表面和下表面,以及设置在髁部分之间并连接髁部分的凸起结构。 假体还包括细长的杆构件,其安装在股骨的远侧部分的髓质管内,颈圈和至少一个固定螺栓。 套环安装在杆构件的外端上,并且具有当安装在其上时基本横向于杆构件的纵向轴线的远侧表面。 凸台结构的轴环远端表面和下表面在其间限定了选定的安装角度,并且适于安装在形成在凸台结构中的孔内的固定螺栓具有头部,该头部具有球形第一表面, 细长轴部分延伸。 固定螺栓的轴可以设置在螺栓的头部上的大体中心定位的位置处或位于不位于中心的位置。
    • 8. 发明授权
    • Modular knee prosthesis
    • 模块膝关节假体
    • US5782921A
    • 1998-07-21
    • US685289
    • 1996-07-23
    • Dennis P. ColleranStefan M. Gabriel
    • Dennis P. ColleranStefan M. Gabriel
    • A61B17/88A61F2/00A61F2/30A61F2/38
    • A61F2/3859A61F2002/30143A61F2002/30332A61F2002/30342A61F2002/30434A61F2002/30443A61F2002/30594A61F2002/30604A61F2220/0033A61F2220/0041A61F2230/0017
    • A modular knee prosthesis includes a Morse taper post that is matable with a first portion of a femoral sleeve. A second portion of the femoral sleeve is joined with a femoral stem that is introducible within the medullary canal of a distal portion of a femur. In an exemplary embodiment, the modular knee prosthesis includes a femoral component, a bolt, and a Morse taper post. The femoral component has a superior surface, an inferior surface, and an aperture. The bolt includes a head portion engagable with the superior surface of the femoral component to inhibit movement of the bolt through the femoral component, and an elongate shaft portion that extends from the head portion of the bolt. The elongate shaft portion has a length sufficient to protrude through the aperture beyond the inferior surface of the femoral component. The Morse taper post is engagable with the elongate shaft portion of the bolt to retain the Morse taper post in a fixed position with respect to the femoral component and the distal end of the Morse taper post is introducible within a femoral sleeve.
    • 模块化膝关节假体包括可与股骨套的第一部分配合的莫氏锥形柱。 股骨套筒的第二部分与股骨柄连接,该股骨柄可引入股骨远端部分的髓管内。 在示例性实施例中,模块化膝关节假体包括股骨部件,螺栓和莫尔斯锥形柱。 股骨部件具有优越的表面,下表面和孔。 螺栓包括可与股骨部件的上表面接合的头部部分,以阻止螺栓穿过股骨部件的运动,以及从螺栓头部延伸的细长轴部分。 细长轴部分具有足以突出穿过孔的长度超过股骨部件的下表面的长度。 莫氏锥形柱可与螺栓的细长轴部分接合,以将莫氏锥形柱相对于股骨部件保持在固定位置,并且莫氏锥形柱的远端可引入股骨套筒内。