ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,258, issued on Jan. 13, was assigned to Elixir Medical Corp. (Milpitas, Calif.).

"Anticoagulant compounds and methods and devices for their use" was invented by Motasim Sirhan (Los Altos, Calif.), Xiaoxia Zheng (Fremont, Calif.), Vinayak D. Bhat (Cupertino, Calif.) and John Yan (Los Gatos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices, systems, and methods are provided including a structure having one or more surfaces configured for internal use within a patient's body and one or more therapeutic compositions comprising one or more active substances including a direct factor Xa inhibitor, and a direct factor IIa inhibitor disposed in...