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SHAPE-MEMORY POLYMER FOAM DEVICE FOR TREATING ANEURYSMS

United States Patent Application

20170252045
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
A system for treating an aneurysm in a blood vessel or vein, wherein the aneurysm has a dome, an interior, and a neck. The system includes a shape memory polymer foam in the interior of the aneurysm between the dome and the neck. The shape memory polymer foam has pores that include a first multiplicity of pores having a first pore size and a second multiplicity of pores having a second pore size. The second pore size is larger than said first pore size. The first multiplicity of pores are located in the neck of the aneurysm. The second multiplicity of pores are located in the dome of the aneurysm.
Ortega, Jason M. (Pacifica, CA), Benett, William J. (Livermore, CA), Small, Ward (Livermore, CA), Wilson, Thomas S. (San Leandro, CA), Maitland, Duncan J. (College Station, TX), Hartman, Jonathan (Sacramento, CA)
15/ 599,133
May 18, 2017
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0002] The United States Government has rights in this invention 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.