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:
Oct. 28, 2003
Filed:
Apr. 02, 2002
Haruo Akiba, Ibaraki, JP;
Fuji Photo Optical Co., Ltd., Saitama, JP;
Abstract
A notched void portion is provided in a rigid casing block of a rigid tip end section of an endoscopic insertion instrument For spurting a cleaning fluid toward an observation window a cleaning supply passage is constituted by a cleaner nozzle a connector pipe and a flexible tube A cleaner nozzle is partly fitted in the notched void portion which is formed in the rigid casing block The connector pipe is formed in a staggered shape having an angularly bent intermediate pipe section between straight and parallel front and rear pipe sections and The straight front pipe section is at least partly fitted in the rigid casing block and its fore distal end portion is fitted in the cleaner nozzle over a predetermined length. On the other hand, the flexible tube is fitted on a rear end portion of the straight rear pipe section the position of which is offset radially inward relative to the straight front pipe section by the angularly bent intermediate pipe section to avoid interference with biopsy channel light guides and wiring cable which are threaded through a foremost angle ring of an angle section of the insertion instrument