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    • 33. 发明授权
    • Surgical tool
    • 手术工具
    • US4777948A
    • 1988-10-18
    • US570763
    • 1984-01-16
    • David W. Wright
    • David W. Wright
    • A61B17/32
    • A61B17/1611
    • A ronguer or the like is formed with a pistol-shaped main frame assembly having a hollow, tubular cutting element releasably clamped at the forward end of the barrel of the frame. A rod slidably received in the barrel projects beyond the front end of the cutting element and has a rearwardly facing shoulder which can be drawn into the cutting element to shear bone or other material engaged between the shoulder and sharpened forward edge of the cutting element. The rod member may be selectively located in any of four rotative orientations for up-cutting, down-cutting or side-cutting from either side. The device is readily disassembled for cleaning and sterilization.
    • 手术器等形成有手枪形的主框架组件,其具有可释放地夹在框架的筒的前端的中空的管状切割元件。 可滑动地容纳在筒中的杆突出超过切割元件的前端,并且具有向后的肩部,其可以被拉入切割元件中以剪切与切割元件的肩部和锋利的前边缘之间接合的骨骼或其他材料。 杆构件可以选择性地位于四个旋转取向中的任何一个中,用于从两侧进行上切,下切或侧切。 该装置易于拆卸以进行清洁和灭菌。