Directionally preferential waste passage member for use with...

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/00 (2006.01) A61F 13/15 (2006.01)

Patent

CA 2333874

The present invention provides an absorbent article having a first waist region, an opposed second waist region, a crotch region disposed between the first waist region and the second waist region. The absorbent article preferably comprises a liquid impervious backsheet material, an absorbent core and a directionally preferential waste passage member. The waste passage member has a body facing surface and an opposed garment facing surface, at least a portion of the body facing surface of the waste passage member including a soluble material capable of dissolving when contacted by bodily exudates so as to permit the bodily exudates to pass through the waste passage member in a direction generally away from the wearer's skin. At least a portion of the garment facing surface of the waste passage member includes a barrier material which resists penetration by the bodily exudates in a direction opposite from the first direction. The waste activated barrier member is preferably disposed in at least a portion of the crotch region of the absorbent article.

L'invention concerne un article absorbant comprenant une première zone de ceinture, une seconde zone de ceinture et une zone d'entrejambe disposée entre la première et la seconde zone de ceinture. L'article absorbant comprend de préférence une feuille de base en matériau imperméable aux liquides, un noyau absorbant et un élément de passage des déchets à direction préférentielle. Cet élément de passage des déchets comprend une surface côté corps et une surface opposée côté article absorbant. Une portion au moins de la surface côté corps de l'élément de passage des déchets comprend un matériau soluble capable de se dissoudre au contact des excrétions corporelles de manière à permettre le passage de ces excrétions à travers l'élément de passage de déchets dans une direction générale les éloignant de la peau. Une portion au moins de la surface côté article absorbant de l'élément de passage des déchets comporte un matériau barrière qui s'oppose à la pénétration des excrétions corporelles dans une direction opposée à la première direction de passage. L'élément barrière activé par les déchets est disposé de préférence dans au moins une portion de la zone d'entrejambe de l'article absorbant.

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