ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,147, issued on May 26, was assigned to The Regents of the University of California (Oakland, Calif.) and United States Government as represented by the Department of Veterans Affairs (Washington).

"Temporary vascular valve and related systems and methods" was invented by Elaine Tseng (South San Francisco, Calif.), Liang Ge (Foster, Calif.), John Ashley (Danville, Calif.) and Brenna Lord (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various temporary or removable valve devices having an expandable frame comprising a flexible material and a membrane attached to the expandable frame, wherein the temporary valve device is movable into an ...