APERTURED HYDROGEL COMPOSITIONS AND WOUND DRESSINGS
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United States of America Patent
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Jul 6, 2017
app pub date -
May 20, 2015
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May 23, 2014
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Abstract
Herein is disclosed a composition comprising: a layer of water-swellable hydrogel, wherein the hydrogel has embedded therein a reinforcement sheet of liquid-water-permeable material, wherein the layer of hydrogel has a wound-facing side and a non-wound-facing side and apertures extend through the layer of hydrogel from the wound-facing side to the non-wound-facing side and through the reinforcement sheet, wherein the mean area of the apertures on at least one of the wound-facing side and non-wound-facing side of the hydrogel is at least 5 mm2.
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