Ostomy appliance and contoured adhesive wafer therefor

Details Ostomy appliance and contoured adhesive wafer therefor Ostomy appliance and contoured adhesive wafer therefor

A - Human Necessities

61

F

A61F 5/448 (2006.01) A61F 5/443 (2006.01)

Patent

CA 2215175

An adhesive wafer for an ostomy pouch, and the combination of such a wafer and pouch, in which the adhesive layer of the wafer is composed of a hydrocolloid-containing skin barrier material and is contoured to provide a relatively thick body portion surrounded by a relatively thin peripheral portion, are disclosed. The wafer has a stoma-receiving opening, and the adhesive layer is of developed shape so that most, if not all, of the relatively thick body portion is located immediately below and to the sides of the stoma-receiving opening. The relatively thin peripheral portion of the adhesive layer is preferably embossed to provide a pattern of discrete, non-connecting depressions separated and isolated from each other by flat-top ridges dimensioned and arranged so that a skin surface engaged by said embossed surface primarily contacts only such ridges.

Forme gaufrée adhésive pour poche d'ostomie; forme gaufrée et poche ainsi combinées; la couche adhésive de la forme gaufrée est constituée d'une matière à base d'hydrocolloïde, barrière cutanée, formant un corps relativement épais, entouré d'une partie périphérique relativement mince. La forme gaufrée a une ouverture pour recevoir le stomate, et la couche adhésive a une forme telle que la majeure partie sinon tout le corps relativement épais se trouve immédiatement en dessous et sur les côtés de l'ouverture recevant le stomate. La partie périphérique relativement mince de la couche adhésive est de préférence gaufrée pour présenter un ensemble de dépressions discrètes, non connectées, séparées et isolées les unes des autres par des arêtes à crête plate dimensionnées et disposées de telle façon qu'une surface cutanée s'engageant sur cette surface gaufrée arrive d'abord en contact avec lesdites crêtes.

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