Abstract: An ostomy appliance for mounting around the stoma opening of a patient and embodying a receptacle of the disposable or throw-away type for receiving drainage from the stoma of a patient, with the receptacle being readily removable, but effectively mounted on a supporting member which is readily attachable to a pat ent's body, and the appliance embodyi g novel pad structure which is effective to protect a stoma, or the like, from injury, and which is also effective to afford a seal between the appliance and the patient's body for preventing or reducing seepage from the stoma opening onto the skin of the patient.