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. 17, 1998
Filed:
Jun. 19, 1996
Applicant:
Inventor:
Jens Peter Wulfsberg, Ammersbek, DE;
Assignee:
Olympus Winter & Ibe GmbH, Hamburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
600176 ; 600160 ;
Abstract
An endoscope optical system has a shaft containing parallel image and light guides, the distal ends of which are covered by a window which closes the distal end of the shaft and which has a light screen near the separating line between the cross-sectional regions of the image guide and the light guide. The window is a one-piece window plate with at least one circular slot forming a light screen. The slot extends parallel to the separating line and is formed in one of the inner or outer surfaces of the window plate. Multiple slots forming a labyrinth are also disclosed.