ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,849, issued on May 27, was assigned to MAJORO CARDIAC INNOVATIONS LLC (Marco Island, Fla.).

"Valve prosthesis" was invented by Joseph H. Gorman III (Lower Gwynedd, Pa.), Robert C. Gorman (Lower Gwynedd, Pa.) and Matthew J. Gillespie (Bryn Mawr, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to valve replacement devices that are foldable for catheter-based deployment to the site of implantation, as well as systems for the delivery of valve prostheses, including prostheses having the special characteristics of the disclosed valve replacement devices. The devices include highly effective adhering mechanisms for secure...