Gas-venting filter assembly for collection device

Details Gas-venting filter assembly for collection device Gas-venting filter assembly for collection device

A - Human Necessities

61

F

128/109

A61F 5/44 (2006.01) A61F 5/441 (2006.01)

Patent

CA 1131532

GAS-VENTING FILTER ASSEMBLY FOR COLLECTION DEVICE 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 manufac- turing. - 1 -

341085

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