| 摘要 |
PCT No. PCT/EP94/01149 Sec. 371 Date Nov. 17, 1995 Sec. 102(e) Date Nov. 17, 1995 PCT Filed Apr. 13, 1994 PCT Pub. No. WO94/26180 PCT Pub. Date Nov. 24, 1994In order to facilitate a simple assembling and disassembling of the individual parts of an instrument for surgical purposes with two working parts displaceable relative to one another and two gripping arms pivotal relative to one another, one of these arms being connected to the one working part and the other to the other working part such that during closing and opening, respectively, of the gripping arms the two working parts are displaced relative to one another, with one of the two gripping arms bearing a shaft for the pivotal mounting of the other gripping arm, it is suggested that the shaft have regions with different diameters and be displaceable such that either a region with a larger diameter or a region with a smaller diameter is operative in the region of the other gripping arm, that the other gripping arm have an insertion slot widening in the shape of a keyhole and having a narrower slide-in section and a widened bearing section for the shaft, the width thereof in the narrow slide-in section being between the diameters of the two regions of the shaft and in the circularly widened bearing section having a diameter corresponding to the larger diameter of the shaft, and that the gripping arm mounted on the shaft engage the one working part with an entraining element. |
