Self-adhesive laminate

Details Self-adhesive laminate Self-adhesive laminate

A - Human Necessities

61

F

A61F 13/02 (2006.01) A61F 13/00 (2006.01)

Patent

CA 2210224

There is provided a laminate suitable for use as a wound dressing or as a transdermal medicament delivery system. The laminate is comprised of a carrier sheet sandwiched between a removable cover sheet and a removable backing sheet. The laminate has a cover sheet tab and a backing sheet tab, both tabs extending away from the carrier sheet. The laminate also comprises a holding portion. The holding portion and the two tabs facilitate application of the carrier sheet, which is normally in polyurethane film, to a surface of the patient and avoids stretching or wrinkling the carrier sheet. The carrier sheet will normally comprise a therapeutic agent, such as a bacteriostat and may be provided with an adhesive island to cover the wound.

On décrit une structure en couches appropriée à l'utilisation en tant que pansement pour blessure ou en tant que système d'apport transdermique d'un médicament. Cette structure en couches est composée d'une feuille support prise en sandwich entre une feuille protectrice amovible et une feuille dorsale amovible. Cette structure présente une patte de feuille protectrice ainsi qu'une patte de feuille dorsale, les deux pattes s'étendant hors de la feuille support. Cette structure comprend également une portion servant de prise, laquelle, ainsi que les deux pattes, facilite l'application de la feuille support, généralement en film polyuréthanne, sur une surface du corps d'un patient et évite l'étirement ou le plissement de la feuille support, laquelle comporte généralement un agent thérapeutique, tel qu'un bactériostatique, et peut être pourvue d'un îlot non adhésif afin de couvrir la blessure.

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