The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 21, 2012
Filed:
Apr. 24, 2007
Kunitaka Ochi, Tokyo, JP;
Yoshinori Fujii, Saitama, JP;
Naoki Tanaka, Saitama, JP;
Kikuo Iwasaka, Saitama, JP;
Satoru Kaneda, Miyagi, JP;
Kunitaka Ochi, Tokyo, JP;
Yoshinori Fujii, Saitama, JP;
Naoki Tanaka, Saitama, JP;
Kikuo Iwasaka, Saitama, JP;
Satoru Kaneda, Miyagi, JP;
Hoya Corporation, Tokyo, JP;
Abstract
A treatment tool insertion channel of an endoscope, which is arranged through an inside of an insertion part that includes a flexible tube and a bendable part, includes a flexible inner tube, a spiral groove formed around the flexible inner tube over an entire length of the bendable part and the flexible tube, at least one coil wound along a bottom of the spiral groove, and at least one type of filler with which the spiral groove is filled. The treatment tool insertion channel includes a first portion that includes a part inside the bendable part and a second portion at a proximal end side of the first portion, the first portion being configured more flexible than the second portion.