Tissue treatment systems and methods having a porous substrate with a compressed region and an expanded region
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United States of America Patent
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May 23, 2017
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app pub date -
Nov 15, 2012
filing date -
Nov 18, 2011
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Abstract
A system for treating a tissue site of a patient includes a dressing filler adapted to be positioned at the tissue site. The dressing filler is comprised of a porous substrate having at least one compressed region and at least one expanded region. The compressed region of the porous substrate is held in a compressed state by a first coating capable of dissolving in the presence of a fluid, and the expanded region of the porous substrate is held in an expanded state by, a second coating.
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