Patent ID: 8438896
Filing Date: 2013-05-14
Classification: A61B,G02B,Y10T

Abstract:
1. A method of manufacturing an endoscopic insertion portion which includes a plurality of bending parts provided side by side with each other, wherein a protruding portion is provided in one of each two adjacent ones of the bending parts, and a receiving portion is provided in the other of each two adjacent ones of the bending parts and into which the protruding portion is inserted rotatably so that each two adjacent ones of the bending parts swing with respect to each other, the method comprising: forming, in at least one plate material, a first bending part preparation portion for the formation of the one bending part and a second bending part preparation portion for the formation of the other bending part; connecting the first bending part preparation portion and the second bending part preparation portion by press processing; and forming the connected first and second bending part preparation portions into a cylindrical shape by press processing to form cylindrical bending parts connected with each other swingably.