US Patent Issued to The Regents of the University of California on Sept. 15 for "Percutaneous heart valve delivery systems" (California Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,034, issued on Sept. 15, was assigned to The Regents of the University of California (Oakland, Calif.).

"Percutaneous heart valve delivery systems" was invented by Arash Kheradvar (Irvine, Calif.) and Jimmy L. Su (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments described herein address the need for improved catheter devices for delivery, repositioning and/or percutaneous retrieval of the percutaneously implanted heart valves. One embodiment employs a plurality of spring-loaded arms releasably engaged with a stent frame for controlling expansion for valve deployment. Another embodiment employs a plurality of filaments passi...