Patent ID: 7947025

Claim:
A drainable pouch for collecting human body waste, comprising: a. first and second walls defining a collection region and a discharge portion with a discharge outlet depending from the collection region, the discharge portion being defined by integral portions of the first and second walls and the discharge portion being foldable to a closed position in which the discharge portion is sealed closed; b. wherein the discharge portion comprises a drain passage having a constricted region defined by portions of side seals of the discharge portion, and a widened portion, said widened portion of the drain passage being downstream of the constricted region and having an internal width wider than the internal width in the constricted region; c. said discharge portion having two abutment regions within said drainage passage, said abutment regions being adapted to abut against a drainage adapter inserted into said drain passage and facilitate sealing of the adapter within said drainage passage, said two abutment regions defining where said constricted region transitions to said widened portions, and; d. two opposing bias members disposed at said discharge outlet, said bias members being squeezable to open said discharge outlet and permit insertion of the adapter into said drainage passage.