Shape memory embolectomy devices and systems

Patent · 09 August 2022

OSTI ID:1924956

Szafron, Jason; Maitland, Duncan; Small, IV, Ward; Buckley, Patrick R.; Muschenborn, Andrea D.

An embolectomy device comprised of an expansion unit and a support unit is disclosed. The expansion unit can be actuated in response to one or more external stimuli, and the support unit, located proximately to the expansion unit, provides a force to hold the expansion unit in place and to further induce the expansion unit's radial expansion. The radial expansion of the expansion unit causes the expansion unit to physically contact a blood clot, enabling the blood clot to be removed. In some embodiments, the expansion unit can be fabricated from a shape memory polymer foam. In some embodiments the support unit can be fabricated from any elastic material including, without limitation, shape memory alloys.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Texas A&M University, College Station, TX (United States)
• Sponsoring Organization: USDOE; National Institute of Biomedical Imaging and Bioengineering
• 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): 11,406,401
• Application Number: 16/701,417
• OSTI ID: 1924956
• Country of Publication: United States
• Language: English

Related Subjects

59 BASIC BIOLOGICAL SCIENCES