ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,018, issued on Oct. 21, was assigned to SUTRA MEDICAL INC. (Lake Forest, Calif.).

"Heart valve leaflet replacement systems and methods for using them" was invented by Thuy Pham (Marietta, Ga.), Caitlin Martin (Marietta, Ga.) and Qian Wang (Marietta, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A prosthetic heart valve for treatment of a diseased heart valve having native anterior and posterior leaflets that move between an open configuration and a closed position to regulate blood flow through the heart valve during a cardiac cycle of a heart. The prosthetic heart valve having a crescent shaped stent, at least one prosthetic leaflet mounted on...