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:
May. 20, 1980
Filed:
Dec. 11, 1978
Applicant:
Inventors:
James L Jessup, Elk Grove Village, IL (US);
Eugene W Elliott, Barrington, IL (US);
Assignee:
Hollister Incorporated, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
128283 ;
Abstract
A gas-venting filter assembly for a collection device such as a colostomy pouch includes an outwardly extending recess in a wall of the pouch which is bridged by a filter unit that is designed for the free flow of gas therethrough. Preferably, the pouch recess is provided with an aperture in the form of a slit which provides suitable venting in normal use. Pressure build-up within the collection device resulting in ballooning of the device and/or discomfort to the wearer is avoided while at the same time protecting the filter assembly in use, and also facilitating leakage testing during manufacturing.