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    • 13. 发明授权
    • Controller for intracorporeal knot tying apparatus
    • 体内打结机控制器
    • US5447512A
    • 1995-09-05
    • US146884
    • 1993-11-02
    • Jeff A. WilsonV. John Ragnato
    • Jeff A. WilsonV. John Ragnato
    • A61B17/04A61B17/12A61F2/00A61M25/00
    • A61M25/0041A61B17/0469A61B17/12013A61F2002/30092A61F2210/0014
    • A controller for an intracorporeal knot tying device including a hollow handle housing and a slider operator captured in the handle for linear motion between proximal and distal positions. The slider attaches to an elongated, tubular member formed of a shape memory material for carrying a suture thread through an internal passage and a bight formed in the tube. An outer sheath extends from the handle and supports the remaining length of the tube. When a knot is to be formed, a free end of the suture is pulled through tubular member by means of an introducer. A physician advances the operator to displace the distal end of the tubular member to form the bight. Subsequently, the physician retracts the operator to a proximal position to straighten the bight and throw off a knot in the suture thread for subsequent tightening. The operator includes means for grasping the suture.
    • 用于体内结打结装置的控制器,包括中空手柄壳体和捕捉在手柄中的滑块操作器,用于在近端和远端位置之间进行直线运动。 该滑动件附接到由形状记忆材料形成的细长管状构件,该形状记忆材料用于承载缝合线通过内部通道和形成在管中的弯曲部。 外鞘从手柄延伸并支撑管的剩余长度。 当要形成结时,缝合线的自由端通过导引器被拉过管状构件。 医生推进操作者以使管状构件的远端移位以形成弯曲部。 随后,医生将操作者缩回到近端位置以矫直弯曲并在缝合线中抛出一个结,以便随后的紧固。 操作者包括抓握缝线的装置。