Patent ID: 8217221

Claim:
A controlled evacuation ostomy appliance comprising: a. an ostomy pouch having two thin flexible walls, a front wall and a rear wall, said rear wall having a stomal aperture for fitting around a wearer's stoma, said front wall being opposite said stomal aperture, said front wall having an outside surface and inside surface; b. a non-rupturable sealing member fully located and secured within said pouch and secured within said pouch to said inside surface, said sealing member being resiliently conformable to the stoma and effecting a stomal seal by resiliently conforming in sealing contact with the stoma when a suitable sealing force is applied thereto, wherein the sealing member comprises a foam member or a multiplicity of loosely captive particles; and c. an incrementally adjustable urging device located outside of and in direct contact with said outside surface of said front wall of said pouch, said incrementally adjustable urging device being configured to contact against said outside of said front wall opposite the stomal aperture and transmit and apply an incrementally adjustable and suitable sealing force from said outside surface directly through said front wall to said sealing member by said contact against said front wall, said sealing force being temporarily relievable by said incrementally urging device.