Patent ID: 6641528
Filing Date: 2003-11-04
Classification: A61B

Abstract:
A bending part of an endoscope, comprising:a plurality of joint rings, each of the plurality of joint rings having connecting parts at each of the ends thereof; a plurality of rivets, each of the plurality of rivets connecting the connecting parts of adjacent two of the plurality of joint rings, each of the rivets having an inner head protruding from an inner periphery of each of the plurality of joint rings, the inner head having a wire guiding part; and a bend-control wire which is inserted in the bending part and guided with the wire guiding part of the inner head of each of the plurality of rivets, wherein at least one of the connecting parts of each of the plurality of joint rings has a cut portion located to prevent contact of the bend-control wire with each joint ring during strong bending of the bending part.