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:
Feb. 21, 1989
Filed:
Apr. 21, 1988
Applicant:
Inventor:
Koji Kanbara, Tokyo, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128-4 ;
Abstract
A flexible tube assembly for an endoscope has outer diameter D and includes a helical tube constituted by a helically wound belt-like member having width l and thickness t. The helical tube has inner diameter d, and gaps s are formed between adjacent coils of the belt-like member of the helical tube. Gap s satisfies the following inequalty: