Multi-layer dressings, systems, and methods for applying reduced pressure at a tissue site
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United States of America Patent
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Apr 23, 2013
Grant Date -
Mar 18, 2010
app pub date -
Sep 16, 2009
filing date -
Sep 18, 2008
priority date (Note) -
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Abstract
The illustrative systems, methods, and dressings for applying reduced pressure to a tissue site are presented that involve quickly removing fluids from the tissue site to reduce or avoid maceration of the epidermis. One dressing includes a dressing material for transferring the reduced pressure to the tissue site and a drape covering at least a portion of the dressing material. The dressing material includes a hydrophobic tissue-interface layer adapted to contact the tissue site. The dressing material also includes a manifold adapted to distribute reduced pressure. The manifold may be a hydrophobic layer. The dressing material also includes one or more absorbent layers adapted to absorb liquid from the tissue site via the tissue-interface layer and the manifold. Other aspects are disclosed.
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