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. 17, 1989
Filed:
Mar. 22, 1988
Applicant:
Inventors:
David L Morris, Melton-Mobray, GB;
Mihail Filip, Shelton, CT (US);
Frank D D'Amelio, Oxford, CT (US);
Dominick G Esposito, Danbury, CT (US);
Robert H Quint, Jamaica, NY (US);
Assignee:
Circon Corporation, Santa Barbara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 35 ; 604119 ; 128-4 ; 2511491 ;
Abstract
A gas pressure neutralizing device for use with a working channel of an inspection instrument. The device comprises means for providing a first gas pressure buffer, a second gas pressure buffer, a chamber formed therebetween and means for reducing the pressure in the chamber whereby gases are substantially prevented from exiting the instrument through a working inlet of the device at an elevated pressure or high velocity.