AN OSTOMY APPLIANCE

摘要

An ostomy appliance comprising a front wall and a rear wall of flexible material forming a bag, the rear wall having an opening into the bag by which waste material can enter the bag, said bag having two or more vents through which gas may escape from the bag and having a filter device covering each vent, said filter device being provided with gas inlet and outlet openings in communication with at least one filter body, the arrangement being so that in use gas flows through the filter device from the inlet opening to the outlet opening, such gas flow being confined to said filter body, wherein the ostomy appliance is provided with at least two independent filter devices having separate inlet openings communicating with the inner space of the bag and wherein the inlet openings of the filter devices are located near the border of the bag shows improved resistance against blocking of the inlet opening of filter.