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    • 9. 发明授权
    • Glenoid reamer
    • 螺旋铰刀
    • US09408613B2
    • 2016-08-09
    • US13324188
    • 2011-12-13
    • Clinton E. KehresNathan WinslowDaniel D. Fritzinger
    • Clinton E. KehresNathan WinslowDaniel D. Fritzinger
    • A61B17/00A61B17/16
    • A61B17/1617A61B17/1631A61B17/1642A61B17/1659A61B17/1684
    • A bone reamer includes a first member having a first hub and a second member having a second hub. The first hub can extend along a first axis and have a pair of elongated cutting arms that are fixed to the first hub. The elongated cutting arms can extend along a second axis that is generally perpendicular relative to the first axis. The first hub can define a track thereon. The second hub can extend along a third axis. The second member can have a second pair of elongated cutting arms that are fixed to the second hub and extend along a fourth axis that is generally perpendicular to the third axis. The second member can have a track follower extending thereon and that is configured to slideably advance along the track causing the first and second members to move between a collapsed position and an expanded position.
    • 骨铰刀包括具有第一毂的第一构件和具有第二毂的第二构件。 第一轮毂可以沿着第一轴线延伸并且具有固定到第一轮毂的一对细长的切割臂。 细长的切割臂可以沿着相对于第一轴线大致垂直的第二轴线延伸。 第一轮毂可以在其上限定轨道。 第二轮毂可以沿着第三轴线延伸。 第二构件可以具有第二对细长的切割臂,该第二对细长的切割臂固定到第二轮毂并且沿着大致垂直于第三轴线的第四轴线延伸。 第二构件可以具有在其上延伸的轨道从动件,并且构造成沿轨道可滑动地前进,导致第一和第二构件在收缩位置和扩张位置之间移动。