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    • 72. 发明申请
    • HIP JOINT PROSTHESIS
    • WO1993001769A1
    • 1993-02-04
    • PCT/SE1992000511
    • 1992-07-07
    • AKTIEBOLAGET ASTRAALBREKTSSON, BjörnJACOBSSON, MagnusCARLSSON, LarsRÖSTLUND, TordWENNBERG, Stig
    • AKTIEBOLAGET ASTRA
    • A61F02/32
    • A61B17/1721A61B17/1668A61B17/1703A61B17/175A61B17/746A61B17/8875A61F2/3601A61F2/3609A61F2002/30332A61F2002/3631A61F2002/365A61F2002/4636A61F2220/0033
    • The invention relates to a hip joint prosthesis for permanent anchoring in the human hip joint comprising an attachment part for a ball unit designed to be anchored in the neck of a human femur (collum femoris), said attachment part comprising an elongate anchoring element or primary fixture (1) intended to be inserted into a channel (17) bored and extending through the femoral collum and a secondary fixture (2) for carrying a ball or caput (31) intended to be attached to the collum after removal of the head of the collum, said primary fixture (1) and said secondary fixture (2) being provided with means (11) for connecting said fixtures to each other. According to the invention the joint is designed thus that the length of said primary fixture (10) is chosen such that said primary fixture ends close to the head of the collum, and in that said secondary fixture (2) comprises a plug-like part intended to be inserted in a cylindrical countersunk recess (22) cut into the cancellous bone of the collum and extending to the cortical bone in at least three locations, the size of the secondary fixture (2) being chosen such that the fixture (2) abuts the cortical bone of the collum in at least said three locations.
    • 本发明涉及一种用于在人体髋关节中永久锚固的髋关节假体,其包括设计成锚定在人体股骨颈部的球单元的附接部分,所述附接部分包括细长锚固元件或主要 用于插入通过股骨颈的通道(17)的固定装置(1)和用于承载用于在取出头部的头部之后附着到小腿上的球或头盖(31)的辅助固定装置(2) 所述主要固定装置(1)和所述辅助固定装置(2)设置有用于将所述固定装置彼此连接的装置(11)。 根据本发明,接头被设计成使得所述主要固定件(10)的长度被选择为使得所述主要固定件终止于靠近头颅的头部,并且所述辅助固定件(2)包括插塞状部件 旨在被插入到切割到小腿的松质骨中的圆柱形沉没凹部(22)中并且在至少三个位置延伸到皮质骨,辅助固定件(2)的尺寸被选择为使得固定装置(2) 至少在所述三个位置邻接圆珠笔的皮质骨。