ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,740,859, issued on Sept. 22, was assigned to Edwards Lifesciences Corp. (Irvine, Calif.).
"Holder and deployment system for prosthetic heart valves" was invented by Da-Yu Chang (Irvine, Calif.) and Hilda Z. Fann (Santa Ana, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A holder for a hybrid heart valve prosthesis that can be quickly and easily implanted during a surgical procedure is provided. The hybrid heart valve includes a non-expandable, non-compressible prosthetic valve and a self-expandable anchoring stent, thereby enabling attachment to the annulus without sutures. A first suture connects the holder to the valve and constricts an inflow...