Shape-memory polymer foam device for treating aneurysms

Patent · 12 October 2021

OSTI ID:1859924

Ortega, Jason M.; Benett, William J.; Small, IV, Ward; Wilson, Thomas S.; Maitland, Duncan J.; Hartman, Jonathan

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.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC52-07NA27344
• Assignee: Lawrence Livermore National Security, LLC (Livermore, CA); The Texas A&M University System (College Station, TX)
• Patent Number(s): 11,141,164
• Application Number: 15/599,133
• OSTI ID: 1859924
• Country of Publication: United States
• Language: English