| CPC A61F 5/441 (2013.01) [A61F 5/4405 (2013.01); A61F 5/445 (2013.01); A61F 5/448 (2013.01)] | 20 Claims |
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16. An ostomy appliance comprising:
at least one appliance wall of flexible sheet material forming a cavity for containing a stomal output comprising stomal gas and stomal liquid and/or solids, the at least one appliance wall comprising a stomal inlet for receiving the stomal output and a gas vent for allowing the stomal gas to migrate out of the cavity; and
a filter arrangement mounted to the at least one appliance wall and comprising first and second filter walls of flexible sheet material forming at least one filter channel extending from at least one filter channel inlet to a filter channel outlet, wherein the at least one filter channel inlet is located in the cavity for receiving the stomal output from the cavity and the filter channel outlet is mounted in communication with the gas vent for allowing stomal gas to migrate out of the at least one filter channel to the gas vent,
wherein the at least one filter channel extends between the first and second filter walls around at least one bend for restricting the passage of stomal liquid and/or solids along the at least one filter channel.
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