Ostomy appliance with multiple openings for preventing...

A - Human Necessities – 61 – F

Patent

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Details

A61F 5/441 (2006.01)

Patent

CA 2477100

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.

L'invention concerne un dispositif stomique qui comprend une paroi avant et une paroi arrière constituées d'un matériau souple, formant un sac. La paroi arrière possède un orifice d'entrée dans le sac, par laquelle les déchets peuvent pénétrer dans le sac. Ce sac possède deux évents ou plus, recouverts d'un filtre, par lesquels les gaz peuvent s'échapper. Ce filtre comprend des orifices d'entrée et de sortie de gaz qui communiquent avec au moins un corps filtrant. L'ensemble est disposé de façon à ce que le gaz s'écoule à travers le filtre en passant de l'orifice d'entrée à l'orifice de sortie, de sorte que le flux de gaz reste confiné dans le corps filtrant. De plus, ce dispositif stomique comprend au moins deux dispositifs filtrant indépendants dotés d'orifices d'entrées séparés, se situant à proximité du bord du sac, qui communiquent avec l'espace intérieur du sac. Il présente par ailleurs une résistance améliorée au blocage des orifices d'entrée du filtre.

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