Closures for open ended ostomy pouch

Claim 1

An ostomy appliance comprising a generally pear shaped pouch formed from two polymeric film surface permanently bonded along a majority of their length, each of said pouch polymeric film surfaces being a laminate of about 3 mils thickness of an outer and inner layer of ethylene vinyl acetate having a core of a copolymer of vinyl chloride and polyvinylidene chloride, one of said polymeric film surfaces being the skin side of said pouch and having an opening which fits around the stoma, the other polymeric film surface being the outer side of said pouch, a faceplate permanently bonded to the skin side of the pouch around said stomal opening, said faceplate having a centrally located opening which is expanded to fit the appliance snugly around the stoma and comprises a thin disk shaped film of polymeric material of from about 2 to 8 mils thickness having an adhesive composition which includes a pressure sensitive adhesive component and one or more hydrocolloids on its exposed surface and wherein the bond between said disk shaped film and said skin side of the pouch does not extend to the outer peripheral edge of said faceplate, said pouch including a narrow tail portion having an open bottom through which the contents of said pouch can be drained, and resealable bottom closure means comprising a semi-rigid folding bar of high density polyethylene of from about 5 to about 10 mils or low density polyethylene of from about 10 to about 25 mils thickness permanently attached to the outer side of said pouch at the narrow tail portion near said bottom opening, said folding bar extending transversely across and beyond the width of said pouch tail portion and having interlocking closure elements on said extended portions of said folding bar wherein said interlocking closure elements are a series of holes through one extended portion of said folding bar and a knob like element protruding from the skin side of the other extended portion of said folding bar and wherein said bottom opening is sealed by rolling the tail portion of said pouch over said folding bar and bending the extended portions of said folding bar so that said knob like element can be forced through one of said holes, said knob like element and said folding bar formed as a single unit and said knob like element dimensioned so that it can be pushed through one of said holes by the exertion of a slight amount of force.