ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,229, issued on Jan. 27, was assigned to Symetis SA (Ecublens, Switzerland).
"Replacement heart valve having improved collapsible 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 relate to cardiac stent-valves for transcatheter delivery. A cardiac stent-valve for transcatheter delivery is compressible to a compressed state for delivery and expandable to an expanded state for implantation. The stent-valve can include a stent with an axial inflow end and an axial outflow end, a plu...