ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,599, issued on July 22, was assigned to MEDTRONIC INC. (Minneapolis).

"Prosthetic valve device resistant to backfolding and buckling" was invented by Timothy Kelley (Santa Rosa, Calif.), Victoria Tien (Tustin, Calif.), Alaena Maiorano (Huntington Beach, Calif.), Geoffrey Orth (Sebastopol, Calif.), Mostafa Toloui (Minneapolis), Michael Schendel (Andover, Minn.), Anne Breithaupt (Irvine, Calif.), Vickie Pham (Westminster, Calif.) and Cathleen Bergin (Hugo, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A prosthesis includes a tubular graft, a prosthetic valve component, an inflow stent, an outflow stent, and a plurality of body stents disposed b...