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. 17, 1993
Filed:
Feb. 15, 1991
Applicant:
Inventor:
Jun Hiroya, Tokyo, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128-6 ;
Abstract
A video endoscope provided in the insertable tip in parallel with an imaging apparatus and a treating instrument channel through which a laser treating instrument can be inserted and provided with a light intercepting part so that a leaking light of the laser treating instrument inserted through the treating instrument channel as well as reflected laser light may not enter the light receiving part of the imaging device through the other course than the optical course leading to the light receiving part of the imaging device through the image forming optical system from the observing window.