ALEXANDRIA, Va., June 12 -- United States Patent no. 12,295,836, issued on May 13, was assigned to BIOTRONIK AG (Buelach, Switzerland).

"Prosthetic heart valve comprising a stent structure having a conical-convex inflow region and a linear cylindrical outflow region" was invented by Karsten Koop (Rostock, Germany), Andre Hein (Rostock, Germany), Paul Goebel (Rostock, Germany), Imanol Flores (Rostock, Germany), Andreas Hof (Luebeck, Germany), Ulrich Sitz (Rostock, Germany), Maik Neitzel (Wissmar, Germany), Thomas Kuske (Rostock, Germany), Max Linde (Rostock, Germany), Stephan Rothstock (Berlin), Matteo Astorino (Buelach, Switzerland) and Giuseppe Pisani (Buelach, Switzerland).

According to the abstract* released by the U.S. Patent & Tradem...