Asahi Kogaku Kogyo Kabushiki Kaisha

Hitoshi Hirose

Kikuo Iwasaka

Tadashi Kasai

Kenichi Ohara

Hiromichi Shibuya

Kazuhiko Gonda

Yoshinori Shibata

Tatsuo Kubota

Masaya Sato

Ryoichi Baba

In an endoscopic optical fiber bundle, cutouts (,) are formed near an end portion of helical tube (,) and the area with the cutouts is placed over socket (,), with a string-like member (,) being passed through the cutouts (,) to be wound onto the outer surface of the helical tube (,) so that the socket (,) is tightly bound to the helical tube

Endoscopic optical fiber bundle

A flexible tube for an endoscope includes a spiral coil,as the innermost layer and a jacket,that is formed by applying a melt of a jacket material,and then curing it, in which the jacket material,has been allowed to penetrate through the gaps between adjacent turns of the innermost spiral coil,to reach the portion of its inner surface.

Flexible tube for endoscope and method of producing the flexible tube

Growing community of inventors

Saitama, Japan

Hitoshi Hirose