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    • 10. 发明授权
    • Endoscopic surgical instrument for rotational manipulation
    • 用于旋转操纵的内镜手术器械
    • US06171316B2
    • 2001-01-09
    • US08949080
    • 1997-10-10
    • Tim J. KovacMichael F. Wei
    • Tim J. KovacMichael F. Wei
    • A61B1704
    • A61B17/062A61B17/0491A61B2017/2905A61B2017/2927
    • An endoscopic surgical instrument suitable for use with a needle-grasper having a rotational translation device for creating rotational motion at the distal end of the surgical instrument in a non 1:1 ratio to rotational energy imparted at the handle of the surgical instrument. The shaft of the surgical instrument has an articulated segment capable of remote adjustment to articulate the effector unit at the end of the surgical instrument. The effector unit may be a needle-gripper having an upwardly pointed V-shaped notch in a channeled upper jaw, a convex gripping surface on the lower jaw, such that grasping a curved suture needle between the upper and lower jaw serves to automatically orient the needle perpendicular to the needle-gripper with the curvature pointed down. Conically tapered edges on the upper jaw further facilitate this orientation. A reciprocal motion transmission occurs between the handle and the effector unit so that gripping the levers on the handle serves to operate a function in the effector unit. The device is suitable for manual operation by a surgeon performing endoscopic surgical manipulations directly and without the intervention of motors or the like.
    • 一种内窥镜手术器械,其适用于具有旋转平移装置的针头抓持器,所述旋转平移装置用于在所述外科器械的远端处以与所述手术器械的所述手柄相对应的旋转能量为1比1的比例产生旋转运动。 手术器械的轴具有能够进行远程调节的铰接部分,以在外科器械的末端铰接效应器单元。 效应器单元可以是具有在通道的上颚中的向上尖的V形凹口,在下颚上的凸形抓持表面的针叼纸牙,使得在上颚和下颌之间抓住弯曲的缝合针用于自动地定向 针尖垂直于针 - 夹具,曲率指向下。 上颌上的锥形边缘进一步有助于该取向。 在手柄和效应器单元之间发生往复运动传递,从而夹紧手柄上的杠杆用于在效应器单元中操作功能。 该装置适合于外科医生直接执行内窥镜手术操作而不需要电动机等的手动操作。