Patent ID: 6613068
Filing Date: 2003-09-02
Classification: A61B

Abstract:
An endoscopic treatment instrument comprising:a sheath having a longitudinal axis; a manipulating wire passed through the sheath and movable back and forth along the longitudinal axis; a distal end actuating member disposed at a distal end of the sheath and driven by the manipulating wire; a first engagement hole provided in a plate portion of the distal end actuating member; a second engagement hole provided in the plate portion of the distal end actuating member, the second engagement hole being contiguous with the first engagement hole and including a portion having a larger diameter than the first engagement hole; and a large-diameter portion that is provided on a distal end of the manipulating wire and that is large enough to be incapable of passing through the first engagement hole, wherein the manipulating wire is passed through the first and second engagement holes until the large-diameter portion enters and remains within the second engagement hole and contacts one end portion of the first engagement hole without entering the first engagement hole and is bent back t war the distal end of said sheath at the other end of the first engagement hole.