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    • 13. 发明授权
    • Medical instrument
    • 医疗仪器
    • US07517354B2
    • 2009-04-14
    • US10872846
    • 2004-06-21
    • Dieter Lang
    • Dieter Lang
    • A61B17/28
    • A61B17/29A61B10/06A61B17/1608A61B2017/2939
    • The invention relates to a medical instrument having a hollow shaft (2) and, positioned on its proximal end, a handle (3) consisting of at least two gripping members (3a, 3b) and, on its distal end, a tool consisting of at least two jaw members (5a, 5b). The instrument's jaw members (5a, 5b) are stationed at a lateral angle to the longitudinal axis of the shaft (2) so that at least one jaw member (5a) of the tool (5) can be moved for opening and closing by means of a gripping member (3b) of the handle (3) that can be rotated with respect to the at least one other jaw member (5b) of the tool (5) and the at least one movable jaw member (5a) and the corresponding gripping member (3b) of the handle (3) serving to move the jaw member (5a) are connected to one another by a compression-tension element (8) positioned in the hollow shaft (2). To ensure that power is transmitted precisely and without free play to the tool, it is proposed with the invention that the compression-tension element (8) and the respective jaw member (5a) of the tool (5) are connected to one another by a transmission lever (7).
    • 本发明涉及一种具有中空轴(2)的医疗器械,并且在其近端处设置有由至少两个夹持构件(3a,3b)组成的手柄(3),并且在其远端上包括由 至少两个钳口构件(5a,5b)。 仪器的钳口构件(5a,5b)以与轴(2)的纵向轴线成横向的角度安置,使得工具(5)的至少一个钳口构件(5a)可以通过装置移动以打开和关闭 手柄(3)的夹持构件(3b)可相对于工具(5)的至少一个其它钳口构件(5b)旋转,并且至少一个可移动钳口构件(5a)和相应的 用于移动钳口构件(5a)的手柄(3)的夹持构件(3b)通过位于空心轴(2)中的压缩张力元件(8)彼此连接。 为了确保功率精确地传递并且没有自由地传播到工具,本发明提出了压缩张力元件(8)和工具(5)的相应的钳口构件(5a)通过 传动杆(7)。
    • 18. 发明授权
    • Medical instrument for dissecting tissue
    • 用于解剖组织的医疗器械
    • US07229456B2
    • 2007-06-12
    • US10196109
    • 2002-07-16
    • Dieter LangUwe BacherFridolin Anders
    • Dieter LangUwe BacherFridolin Anders
    • A61B17/32
    • A61B17/1611A61B17/1688A61B2017/2902A61B2017/2904
    • A medical instrument for dissecting tissue in the human or animal body comprises a shaft. At least one movable tool is arranged at a distal end of the shaft. At least one movable grip element is arranged at a proximal end of the shaft. A force transmission element extends along the shaft, which force transmission element is movable relative to the latter and transmits thrust and/or tension forces and whose proximal end is non-positively joined to the at least one movable grip element and whose distal end is non-positively joined to the at least one movable tool. The shaft is further provided with a bend at least one point between the distal end and the proximal end. The force transmission element is configured, at least in the region of the bend, as a flexible tubular element conforming to the bend, which is guided in contact with the shaft. According to a second variant, a flattened and flexible configuration is given to the force transmission element in the region of the bend, at least locally transversely to the plane of curvature of the bend, and the force transmission element extends continuously in axial direction, transversely to the plane of curvature, at least over the inner diameter of the shaft in the region of the bend.
    • 用于解剖人或动物体中的组织的医疗器械包括轴。 至少一个可移动工具布置在轴的远端。 至少一个可动夹紧元件布置在轴的近端。 力传递元件沿着轴延伸,该力传递元件相对于该传动元件可移动,并且传递推力和/或张力,并且其近端与所述至少一个可动把手元件非正向接合,并且其远端不是 - 正向连接到所述至少一个可移动工具。 轴还在远端和近端之间至少有一个点设有弯曲部。 至少在弯曲区域中,力传递元件被构造为与弯曲部接触的引导件的柔性管状元件。 根据第二种变型,在弯曲区域中至少部分横向于弯曲曲面的局部向力传递元件施加平坦且柔性的构造,并且力传递元件在轴向方向上连续延伸 至少在弯曲区域内的轴的内径上。