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Adaptive Transparent Film DressingsJohnson & Johnson Worldwide Absorbent Products and Materials Research P.O. Box 940 Dayton, New Jersey 08810-0940
Johnson & Johnson Worldwide Absorbent Products and Materials Research P.O. Box 940 Dayton, New Jersey 08810-0940
Johnson & Johnson Medical, Inc. P.O. Box 90130 Arlington, Texas 76004-3130 Transparent film dressings have many of the attributes of the ideal wound dressing. However, currently available film dressings are deficient in their ability to handle varying levels of wound exudate. The permeability of polymeric films to water vapor is discussed and techniques are described to produce films in which the moisture vapor permeability is a function of the moisture in the environment. Illustrations are provided showing the variation of permeability with relative humidity and water contact. The unique properties of coextruded films are illustrated and the responsiveness of such a film dressing to varying conditions at the wound are discussed.
Key Words: Transparent film dressings permeability coextrusion wound exudate.
Journal of Biomaterials Applications, Vol. 9, No. 1,
14-29 (1994) |
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