ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,961, issued on July 28, was assigned to Mitral Valve Technologies Sarl (Nyon, Switzerland).

"Coiled anchor for supporting prosthetic heart valve, prosthetic heart valve, and deployment device" was invented by Mark Chau (Laguna Hills, Calif.), Alexander J. Siegel (Irvine, Calif.), Paul A. Spence (Louisville, Ky.) and Landon H. Tompkins (Peachtree Corners, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An anchor for a prosthetic heart valve includes a core, a first cover layer, and a second cover layer. The core includes a plurality of helical turns. One or more outflow turns of the plurality of helical turns has a diameter configured to be dispos...