Patent ID: 7819850

Claim:
An ostomy appliance comprising: a base plate, said base plate having a first hole for receiving a stoma, ureter, or catheter and an adhesive wafer having a first surface to be attached to the wearer's abdomen, back, or chest; a receiving member releasably attached to the base plate, said member having a second hole for receiving wastes exiting the stoma, ureter or catheter; and a disposable inner bag liner forming a second bag inside the receiving member and being releasably attachable to the base plate in a first coupling area by a first coupling element, said disposable inner bag liner having a third hole for receiving wastes exiting the stoma, ureter or catheter and the receiving member being releasably attachable to the base plate in a second coupling area by a second coupling element, the first coupling element being in the form of an adhesive flange projecting from a rim of the third hole and having a surface for releasable sealing against a second surface of the base plate facing away from the user, said inner bag liner being provided with spiral-shaped folding lines for compacting the bag lengthwise while also subjecting the bag to rotational twisting movement when the bag is compacted, said spiral-shaped folding lines avoiding pancaking of the bag and causing the bag to untwist as it is unfolded during use.