Antimicrobial multi-layer island dressing

Details Antimicrobial multi-layer island dressing Antimicrobial multi-layer island dressing

A - Human Necessities

01

N

A01N 25/34 (2006.01) A61F 13/00 (2006.01) A61L 15/16 (2006.01) A61L 15/24 (2006.01) A61L 15/26 (2006.01) A61L 15/42 (2006.01) A61F 13/02 (2006.01)

Patent

CA 2341027

An antimicrobial multi-layer island dressing including an inner absorbent assembly having a first layer comprising a wound contacting non-absorbent, non-adhering porous polymeric film which is impregnated with a broad spectrum antimicrobial agent, a second layer comprising a semipermeable continuous polymeric film joined to the first layer to form a sealed interior reservoir compartment, an absorbent material positioned within the interior reservoir compartment to collect discharged exudate from a wound, and an outer layer extending beyond the peripheral edges of the inner absorbent assembly, the outer layer having at least a portion coated with an adhesive material for adhering the island dressing to the wound area. The preferred antimicrobial agent is 2,4,4'-trichloro-2'-hydroxydiphenyl ether and may be present in an amount from about 0.01 to about 25 percent by weight of film material.

L'invention porte sur un pansement multicouche antimicrobien consistant en un ensemble absorbant intérieur comprenant -remière couche non absorbante et non adhérente de polymère en contact avec la plaie, et imprégnée d'un agent antimicrobien à large sceptre, une deuxième couche continue semi-perméable de polymère liée à la première couche de manière à former un compartiment réservoir intérieur fermé, un matériau absorbant remplissant ledit réservoir recueillant les exsudats de la plaie, et une couche extérieure s'étendant au delà de la périphérie de l'ensemble absorbant intérieur et dont une partie au moins est revêtue d'un matériau adhésif faisant adhérer le pansement à la zone de la plaie. L'agent antimicrobien préféré est un éther de 2,4,4'-trichloro-2'hydroxydiphényle présent à raison de 0,01 à 25 % en poids du matériau du film.

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