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    • 5. 发明授权
    • Prosthetic implant device
    • 假体植入装置
    • US4798610A
    • 1989-01-17
    • US427010
    • 1982-09-29
    • Robert G. AverillAlex Khowaylo
    • Robert G. AverillAlex Khowaylo
    • A61F2/32A61F2/36A61F2/34
    • A61F2/32A61F2/3609A61F2002/3208A61F2002/3233A61F2002/325A61F2002/3258A61F2002/3611
    • A prosthetic implant device for use in replacing the ball end of a biological joint, the replacement including a spherical head for insertion into a natural socket, an insert in the head, a ball-shaped member captured in the insert and having a neck and a stem for mounting the ball-shaped member on the end of the biological member on which the ball is being replaced, and a radially-expansible ring for capturing the ball-shaped member within the insert the ring having a downwardly and inwardly sloping outer wall and seated in a recess in the insert, the recess having upper and lower end walls for defining upper and lower limits of axial movement of the ring within the recess to permit selective removal of the ball-shaped member from the insert and to prevent inadvertent disengagement of the ball-shaped member from the insert.
    • 一种用于更换生物关节的球端的假体植入装置,该替换包括用于插入到天然插座中的球形头部,头部中的插入件,捕获在插入件中的具有颈部和 用于将球形构件安装在其上被更换球的生物构件的端部上的杆和用于在该插入件内捕获球形构件的径向可扩展的环,该环具有向下且向内倾斜的外壁, 位于插入件中的凹部中,凹部具有上端壁和下端壁,用于限定环在凹部内的轴向运动的上限和下限,以允许从插入件中选择性地移除球形构件并防止意外脱离 球形构件从插入件中。