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    • 83. 发明公开
    • VARIABLE ANGLE REVERSE HUMERAL TRAY
    • 变角反转胡TR盘
    • EP2844194A1
    • 2015-03-11
    • EP12767164.2
    • 2012-09-13
    • Biomet Manufacturing, LLC
    • KATRANA, Nicholas
    • A61F2/40
    • A61F2/4081A61F2/4014A61F2/4059A61F2002/30112A61F2002/30332A61F2002/30378A61F2002/30495A61F2002/30507A61F2002/30512A61F2002/30538A61F2002/30604A61F2002/30616A61F2002/30772A61F2002/30774A61F2002/4018A61F2002/4022A61F2002/4029A61F2002/4044
    • A partial reverse shoulder prosthesis comprising: (a) a humeral stem (110); (b) a humeral cup (114); (c) a variable angle tray (116) adapted to be coupled to the humeral stem and the humeral cup, the variable angle tray comprising: (1) a plate (120) including an arcuate wall (130) at least partially defines an internal cavity (132), (2) a bearing (150) adapted to occupy at least a portion of the internal cavity, the bearing (150) being axially and rotationally repositionable with respect to the plate, the bearing operative to selectively expand in at least one dimension to wedge the bearing against the arcuate wall to inhibit axial and rotational repositioning of the bearing with respect to the plate, and (3) a projection (180) adapted to be coupled to the bearing, the projection also adapted to be coupled to the humeral stem in order to mount the variable angle tray to the humeral stem, where the arcuate wall is sized to retain a portion of the bearing within the internal cavity.
    • 一种部分反向肩假体,包括:(a)肱骨干(110); (b)肱骨杯(114); (c)适于连接到肱骨干和肱骨杯的可变角度托盘(116),所述可变角度托盘包括:(1)包括弓形壁(130)的板(120),所述弓形壁(130)至少部分地限定内部 (132),(2)适于占据所述内腔的至少一部分的轴承(150),所述轴承(150)相对于所述板轴向且可旋转地重新定位,所述轴承可操作以至少选择性地膨胀 一个用于将轴承楔紧在弧形壁上以阻止轴承相对于板的轴向和旋转重新定位的一个尺寸,以及(3)适于联接到轴承的突起(180),突起还适于联接到 所述肱骨干为了将所述可变角度托盘安装到所述肱骨干,其中所述弓形壁的尺寸被设定成将所述轴承的一部分保持在所述内部空腔内。