Hemorrhage management system
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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 C. depressing a glass transition temperature (Tg) of the SMP foam to below 25 C. Other embodiments are described herein.
Maitland, Duncan J.; Landsman, Todd Lawrence; Touchet, Tyler Joseph; Cosgriff-hernandez, Elizabeth L.; Wilson, Thomas S. (2019). Hemorrhage management system. United States. Patent and Trademark Office; Texas A&M University. Libraries. Available electronically from