Method for preparing a compressed wound dressing
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United States of America Patent
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Nov 20, 2012
Grant Date -
Jun 19, 2008
app pub date -
Dec 17, 2007
filing date -
Jun 14, 2002
priority date (Note) -
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Abstract
An aqueous solution of polyacrylic acid is placed in a mold, frozen, and freeze-dried to form a sponge-like polyacrylic acid structure. The sponge-like polyacrylic acid structure is compressed by the application of heat and pressure to reduce the thickness and increase the density of the sponge-like polyacrylic acid structure to form a densified polyacrylic acid structure. The densified polyacrylic acid structure is preconditioned by heating to form a wound dressing. The wound dressing can be applied to control severe, life-threatening bleeding from a wound at a wound site of a person.
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