Patent ID: 6767322
Filing Date: 2004-07-27
Classification: A61B,G02B

Abstract:
An endoscope for autoclave sterilization, comprising:a first unit comprised of an optical member and a first frame body, the first frame body including an extension portion, a joining portion, and an optical receiving portion for gas-tightly receiving the optical member, the optical receiving portion having an outer diameter; a second unit having a second frame body, the second frame body including a joining portion and an abutting portion positioned rearwardly of the joining portion, an outer diameter of the abutting portion being larger than an outer diameter of the joining portion of the second frame body, the outer diameter of the joining portion of the second frame body being substantially the same as the outer diameter of the optical receiving portion of the first frame body, the joining portion of the first frame body being fitted in an interior of the joining portion of the second frame body; and a covering member disposed over and gas-tightly joined with the extension portion of the first frame body and the abutting portion of the second frame body, an inner diameter of the covering member being substantially the same as the outer diameters of the optical receiving portion of the first frame body and the joining portion of the second frame body; wherein the first frame body, the second frame body and the covering member are joined integrally and gas-tightly by one of soldering, brazing and welding between the first frame body and the covering member and between the second frame body and the covering member.