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    • 4. 发明授权
    • Acetabular reamer
    • 髋臼铰刀
    • US08454609B2
    • 2013-06-04
    • US12733294
    • 2008-08-21
    • Yvan PetitJulio FernandesJean-Sebastien MeretteMathieu DansereauVictor SongmeneMathieu Carrier
    • Yvan PetitJulio FernandesJean-Sebastien MeretteMathieu DansereauVictor SongmeneMathieu Carrier
    • A61B17/00
    • A61B17/1666A61B17/1617A61F2/34
    • An acetabular reamer comprising: a body defining a rotation axis about which the acetabular reamer is rotatable; a reaming element movable between a reaming element inner position and a reaming element outer position relative to the body; an actuator for moving the reaming element between the reaming element inner and outer positions; and a reaming element lock configurable between a locked configuration and an unlocked configuration. In the unlocked configuration, the reaming element is freely movable by the actuator between the reaming element inner and outer positions. In the locked configuration, the reaming element lock prevents the reaming element from moving relative to the body. In use, when the reaming element lock is in the locked configuration and reaction forces are exerted onto the reaming element, a larger portion of the reaction forces is transmitted to the body than to the actuator.
    • 1.一种髋臼铰刀,包括:限定旋转轴线的主体,所述髋臼铰刀围绕所述旋转轴线旋转; 铰链元件可相对于所述主体在铰接元件内部位置和铰接元件外部位置之间移动; 用于使扩孔元件在铰接元件内部和外部位置之间移动的致动器; 以及在锁定配置和未锁定配置之间可配置的铰孔元件锁。 在解锁构造中,铰接元件可由致动器在铰接元件内部和外部位置之间自由移动。 在锁定配置中,铰孔元件锁定防止铰孔元件相对于主体移动。 在使用中,当铰孔元件锁定在锁定构型中并且反作用力被施加到铰孔元件上时,反作用力的较大部分被传递到主体而不是致动器。