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Hemorrhage management system
(United States. Patent and Trademark Office, 2019-04-23)
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 ...
Solvent depression of transition temperature to selectively stimulate actuation of shape memory polymer foams
(United States. Patent and Trademark Office, 2021-09-07)
An embodiment of the invention is a shape memory polymer (SMP) foam designed to recover its original shape through exposure to a solvent. Thermo-responsive SMPs are polymers designed to maintain a programmed secondary shape ...
Hemorrhage management system
(United States. Patent and Trademark Office, 2021-06-01)
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 ...
Vascular prosthesis for leak prevention during endovascular aneurysm repair
(United States. Patent and Trademark Office, 2019-11-26)
An embodiment includes a process for treating an abdominal aortic aneurysm (AAA) endoleak with a shape memory polymer (SMP) foam device. First, a bifurcated stent graft is placed within the aneurysm while a micro guidewire ...
Medical devices coated with shape memory polymer foams
(United States. Patent and Trademark Office, 2020-02-18)
An embodiment includes a system comprising: a substrate of a medical device; an un-foamed polyurethane coating directly contacting the substrate and fixedly attached to the substrate; a thermoset polyurethane shape memory ...
Mechanical reticulation of polymeric-based closed cell foams
(United States. Patent and Trademark Office, 2020-05-12)
Polymeric based closed cell foams, such as shape memory polymer foams, contain bubbles. Making these bubbles continuous is called reticulation. Disclosed are embodiments of a device and method to controllably reticulate ...
Processable, tunable thio-ene crosslinked polyurethane shape memory polymers
(United States. Patent and Trademark Office, 2020-08-04)
An embodiment includes a platform shape memory polymer system. Such an embodiment exhibits a blend of tunable, high performance mechanical attributes in combination with advanced processing capabilities and good biocompatibility. ...
Medical Devices Coated With Shape Memory Polymer Foams
(United States. Patent and Trademark Office, 6/28/2022)
An embodiment includes a system comprising: a substrate of a medical device; an un-foamed polyurethane coating directly contacting the substrate and fixedly attached to the substrate; a thermoset polyurethane shape memory ...
Antimicrobial shape memory polymers
(United States. Patent and Trademark Office, 2021-08-17)
An embodiment includes a system comprising a thermoset polyurethane shape memory polymer (SMP) foam that includes at least one antimicrobial agent. The antimicrobial agent may include at least one phenolic acid that is a ...