ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,566, issued on March 18, was assigned to Medtronic Inc. (Minneapolis).

"Rate smoothing to enhance atrial synchronous pacing in a ventricular pacemaker" was invented by Todd J. Sheldon (North Oaks, Minn.), Wade M. Demmer (Coon Rapids, Minn.), Vincent P. Ganion (Blaine, Minn.), Juliana E. Pronovici (New Hope, Minn.), Vincent E. Splett (Apple Valley, Minn.) and Menglong Xing (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ventricular pacemaker is configured to determine a ventricular rate interval by determining at least one ventricular event interval between two consecutive ventricular events and determine a rate smoothing ventricular p...