Patent ID: 9636249
Date: 2017-05-02
CPC Classifications: A61F

Claim:
1. A controlled evacuation appliance for an ostomate, comprising: a housing attachable to the ostomate around the mouth of a stoma, said housing at least one vent port for venting of flatus; a stoma seal in communication with said housing, said stoma seal including a membrane covering the mouth of the stoma when said housing is attached around the stoma, and a resiliently compressible foam support supporting said membrane of said stoma seal, said membrane being pressed by said a resiliently compressible foam support against the mouth of the stoma obstructing the passage of fecal matter excreted from the stoma, wherein said stoma seal allows flatus to pass through said at least one vent in said housing while obstructing the passage of fecal matter when said housing is attached to the ostomate; and a cover layer placed against the stoma seal on the surface of the stoma seal facing the stoma, the cover layer having a non-smooth structure on the surface facing the stoma, wherein the non-smooth structure on the cover layer is capable of trapping liquid or solid stool and increasing gas separation to facilitate venting of flatus gas.