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    • 3. 发明授权
    • Humeral rotating burr guide
    • 肱骨旋转毛刺指南
    • US08845643B2
    • 2014-09-30
    • US14044374
    • 2013-10-02
    • Depuy Synthes Products, LLC
    • Jack F. LongStephen R. Donnelly
    • A61F5/00A61B17/17A61B17/16
    • A61B17/1778A61B17/1684A61B2017/1602
    • A bone cutting assembly. The bone cutting assembly includes a guide pin having a distal tip that may be securely inserted into a bone to define a cutting axis and a housing having a cam surface and features which allow the housing to be temporarily secured to the bone. The bone cutting assembly further includes a burr mounting arm which can be fitted on to the guide pin so that it can swing around the cutting axis and also translate up and down the guide pin. The burr mounting arm is configured to act against the cam surface as it is swung around the guide pin, so that the arm is caused to move up or down relative to the guide pin by the action of the cam surface.
    • 骨切割组件。 骨切割组件包括具有远侧末端的引导销,其可以牢固地插入到骨中以限定切割轴线和具有凸轮表面的壳体和允许壳体临时固定到骨骼的特征。 骨切割组件还包括可以安装到引导销上的毛刺安装臂,使得其可以围绕切割轴线摆动并且还可以在引导销上下平移。 毛刺安装臂被配置成当它绕引导销摆动时作用在凸轮表面上,使得臂被凸轮表面的作用相对于引导销上下移动。