ALEXANDRIA, Va., June 12 -- United States Patent no. 12,295,838, issued on May 13, was assigned to Capstan Medical Inc. (Santa Cruz, Calif.).

"Systems, devices and methods for folded unibody heart valve stents" was invented by Spencer C. Noe (San Miguel, Calif.), Jeremy J. Boyette (Woodside, Calif.), Peter W. Gregg (Santa Cruz, Calif.), Evelyn N. Haynes (Los Gatos, Calif.) and Daniel T. Wallace (Santa Cruz, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A replacement heart valve comprises a unibody, folded, double-wall stent, with a stent cover and a leaflet valve attached to the inner lumen of the stent. The heart valve is delivered using a multi-pulley, suture-based stent restraint assembly provided...