A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/109
A61M 1/00 (2006.01) A61F 5/441 (2006.01) B01D 46/10 (2006.01)
Patent
CA 1102196
ABSTRACT OF THE DISCLOSURE A filter is provided for a colostomy or ileostomy bag. The filter has a first layer of material which is gas permeable and water impermeable and forms the gas inlet side of the filter, a second layer of material which is gas permeable or is rendered gas permeable by the presence of at least one aperture therethrough, and a layer of carbon cloth sandwiched between the first and second layers. The first and second layers are secured to the carbon cloth by a weld which extends through the periphery of the carbon cloth. The first and second layers may be of a spun-bonded material.
282041
Briggs Peter J.
Mcleod Patrick H.
Ockwell Malcolm C.
George H. Riches And Associates
Matburn (holdings) Limited
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