Patent ID: 6033424
Filing Date: 2000-03-07
Classification: A61B

Abstract:
A treating instrument for an endoscopic treatment in which a pair of treating members are provided at a distal end of a sheath so that said pair of treating members are opened or closed in a beaklike manner by a control wire axially movably inserted in said sheath, said treating instrument comprising:a pair of links integrally connected to said pair of treating members, respectively, said pair of links having different lengths; anda pair of intermediate links rotatably connected at one end thereof to said pair of links, respectively, and driven at the other end thereof by said control wire so as to move back and forth, said pair of intermediate links having different lengths;wherein a shorter intermediate link of said pair of intermediate links is connected to a longer link of said pair of links, and a longer intermediate link of said pair of intermediate links is connected to a shorter link of said pair of links.