ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,178, issued on June 23, was assigned to St. Jude Medical Atrial Fibrillation Division Inc. (St. Paul, Minn.).

"Ablation electrode assemblies and methods for using same" was invented by Steven C. Christian (New Brighton, Minn.) and Reed R. Heimbecher (Hamel, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Ablation electrode assemblies include an inner core member and an outer shell surrounding the inner core member. The inner core member and the outer shell define a space or separation region therebetween. The inner core member is constructed from a thermally insulative material having a reduced thermal conductivity. In an embodiment, the space ...