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:
Nov. 01, 1994
Filed:
Jul. 19, 1993
Applicant:
Inventor:
Michael Chan, British Columbia, CA;
Assignee:
Andronic Devices Ltd., Richmond, CA;
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 26 ; 604 23 ; 128747 ;
Abstract
The flow of insufflating gas is adjustable and regulated to prevent excessive pressure in the body cavity. A filter removes particulate matter from the gas entering the body and removes bacterial and viral matter from the gas leaving the body cavity.