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HEMORRHAGE MANAGEMENT SYSTEM

United States Patent Application

20160270961
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
An embodiment includes a wound dressing comprising: a shape memory polymer (SMP) foam, including open cells, having first and second states; and a hydrogel (HG) included within the cells; wherein (a) in a first position a composite, including the SMP foam and the HG, is configured to be located proximate a hemorrhagic tissue with the SMP foam in the first state; (b) in a second position the composite is configured to be expanded to the second state against the hemorrhagic tissue when the SMP foam is plasticized at 37.degree. C. depressing a glass transition temperature (T.sub.g) of the SMP foam to below 25.degree. C. Other embodiments are described herein.
Maitland, Duncan J. (College Station, TX), Landsman, Todd Lawrence (College Station, TX), Touchet, Tyler Joseph (Cypress, TX), Cosgriff-Hernandez, Elizabeth L. (College Station, TX), Wilson, Thomas S. (San Leandro, CA)
14/ 661,215
March 18, 2015
STATEMENT AS TO RIGHTS TO APPLICATIONS MADE UNDER FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0001] The United States Government has rights in this application pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC for the operation of Lawrence Livermore National Laboratory.