Medical dressings with multiple adhesives and methods of...

Details Medical dressings with multiple adhesives and methods of... Medical dressings with multiple adhesives and methods of...

A - Human Necessities

61

F

A61F 13/02 (2006.01)

Patent

CA 2400228

Medical dressings are disclosed that include multiple exposed pressure sensitive adhesives. One of the pressure sensitive adhesives includes a bioactive agent and is substantially contact transparent. In some embodiments, all of the adhesives are substantially contact transparent. Also provided are methods of manufacturing the medical dressings. By providing multiple exposed pressure sensitive adhesives, the pressure sensitive adhesive formulations can be varied to provide desired properties in different areas of the dressing. A pressure sensitive adhesive that exhibits relatively high tack to skin may be provided around the periphery of the dressing while a pressure sensitive adhesive incorporating a bioactive agent is provided in the center of the dressing.

L'invention concerne des pansements médicaux comprenant de multiples adhésifs sensibles à la pression exposés. Un des adhésifs sensibles à la pression comprend un agent bioactif et est sensiblement transparent au contact. Dans certains modes de réalisation, tous les adhésifs sont sensiblement transparents au contact. L'invention porte également sur des procédés de fabrication desdits pansements médicaux. Lors de la préparation des multiples adhésifs sensibles à la pression exposés, les préparations d'adhésifs sensibles à la pression peuvent être modulées, de manière que les propriétés recherchées dans différentes zones du pansement soient obtenues. Un adhésif sensible à la pression relativement très collant sur la peau, peut être prévu sur la périphérie du pansement alors qu'un adhésif sensible à la pression comprenant un agent bioréactif est prévu dans le centre du pansement.

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