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:
Mar. 04, 2014
Filed:
May. 31, 2007
Akira Ogura, Tochigi, JP;
Joji Watanabe, Saitama, JP;
Akira Ogura, Tochigi, JP;
Joji Watanabe, Saitama, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A flexible channel to be incorporated into an endoscopic insertion portion having a flexible portion at least in part of its length, for the purpose of providing a flexible passage internally of the endoscopic insertion portion. The flexible channel is composed of a flexible tube with a helical groove on and around its outer periphery, and a reinforcing coil fitted in the helical groove on the flexible tube. At the root of the helical groove, angular projections are formed at intervals in the longitudinal direction and the reinforcing coil is tightly pressed tightly against the angular projections.