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    • 1. 发明申请
    • ARTHROPROSTHESIS WITH FACILITATED IMPLANTATION, PARTICULARLY FOR BIOMECHANICAL RECONSTRUCTION OF THE COXOFEMORAL JOINT
    • 具有良好植入术的特异性,特别是用于生物体重建COXOFEMORAL JOINT
    • WO2012152464A1
    • 2012-11-15
    • PCT/EP2012/053740
    • 2012-03-05
    • ADLER ORTHO S.R.L.CREMASCOLI, PatrizioTONI, Aldo
    • CREMASCOLI, PatrizioTONI, Aldo
    • A61F2/32A61F2/36
    • A61F2/3609A61F2002/3013A61F2002/30339A61F2002/30345A61F2002/30616A61F2002/365A61F2002/3652
    • Arthroprosthesis (1) with facilitated implantation, particularly for biomechanical reconstruction of the coxofemoral joint, comprising a femoral shank (2) and a spherical head (3) which is accommodated rotatably in an artificial cotyloid element (4) and is associated with the femoral shank (2) by way of a variable-geometry neck (5) which acts as a connection between the shank (2) and the spherical head (3), the neck (5) having an end portion (5a) inserted with mechanical interference in a slot (6) defined in the free end (2a) of the femoral shank (2) thus defining a conical coupling with the slot (6), the slot (6) being substantially frustum-shaped with an end portion (6a), defined at a distance (11) from the bottom (8) of the slot (6), that has a substantially cylindrical shape in order to prevent the end portion (5a) of the neck (5) from jamming or seizing with the walls of the slot (6) if the neck (5) sinks, the cylindrical end portion (6a) interrupting the conicity of the walls at a distance (11) from the bottom (8) of the slot (6), thus preventing sticking or jamming in the distal end of the slot (6) if the neck (5) sinks.
    • 具有便利植入,特别是用于同轴股关节的生物力学重建的关节器(1),包括股骨柄(2)和球形头部(3),其可旋转地容纳在人造髁状元件(4)中并且与股骨柄 (2)通过用作柄(2)和球形头(3)之间的连接的可变几何形状的颈部(5),颈部(5)具有插入机械干涉的端部(5a) 限定在股骨柄(2)的自由端(2a)中的狭缝(6),因此限定了与槽(6)的锥形联接,所述狭槽(6)具有基本上截头圆锥形的端部(6a), 与槽(6)的底部(8)的距离(11)限定,其具有基本上圆柱形的形状,以防止颈部(5)的端部(5a)卡住或卡住 如果颈部(5)下沉,则槽(6),圆柱形端部(6a)中断壁的锥度 与狭槽(6)的底部(8)的距离(11),从而防止在颈部(5)下沉时狭槽(6)的远端中的粘着或卡住。