ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,468, issued on Nov. 25, was assigned to Symetis SA (Ecublens, Switzerland).
"Replacement heart valve having improved preformed seal" was invented by Arnaud Humair (Mont-sur-Rolle, Switzerland), Jean-Luc Hefti (Cheseaux-Noreaz, Switzerland) and Stephane Delaloye (Buelach, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments herein include a cardiac stent-valve for transcatheter delivery being compressible to a compressed state for delivery, and expandable to an expanded state for implantation. The stent-valve including a stent with an axial inflow end and an axial outflow end, a plurality of leaflets arranged within the stent, and a...