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    • 3. 发明授权
    • Rotatably driven autoclavable ligation instrument
    • 可旋转驱动的高压灭菌结扎仪
    • US5542843A
    • 1996-08-06
    • US408213
    • 1995-03-22
    • Michael T. Price
    • Michael T. Price
    • A61B17/88A61C7/02A61C7/04A61C3/00B21F7/00
    • A61C7/04A61B17/8861A61C7/02A61C7/026
    • An autoclavable ligation instrument for use in dental or medical applications which includes a ligature gripping tool having a pair of jaws with handle members connected thereto, and a drive mechanism for causing rotational movement of the gripping tool for consequent twisting of opposite ends of a ligature being gripped thereby. The drive mechanism includes a spring biased helically shaped drive shaft which is engaged by a drive follower nut that is connected to the gripping tool, such that activation of the drive mechanism causes the drive follower nut, and consequently the gripping tool, to rotate about the helically shaped drive shaft. The gripping tool includes a releasable locking mechanism for locking the jaws of the gripping tool in their closed position, and the gripping tool and drive mechanism are disassemblable and constructed of an autoclavable material to facilitate sterilization thereof.
    • 一种用于牙齿或医疗应用的可高压灭菌的结扎仪器,其包括具有连接到其上的手柄部件的一对钳口的连线夹持工具,以及用于引起夹持工具的旋转运动的驱动机构,从而扭结连线的相对端 由此抓住。 驱动机构包括弹簧偏压的螺旋形驱动轴,该驱动轴由连接到夹紧工具的驱动从动螺母接合,使得驱动机构的启动导致驱动从动螺母,从而夹紧工具围绕 螺旋形传动轴。 夹持工具包括一个可释放的锁定机构,用于将夹紧工具的夹爪锁定在其关闭位置,并且夹紧工具和驱动机构可拆卸地由可高压灭菌的材料构成,以促进其灭菌。