ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,975, issued on June 2, was assigned to Pacesetter Inc. (Sylmar, Calif.).

"Method and system for adaptive bi-ventricular fusion pacing" was invented by Brian Wisnoskey (Cleveland, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are provided for a rate adaptive bi-ventricular fusion pacing. The methods and systems deliver a first pulse at a left ventricular (LV) lead and a second pulse at a right ventricular (RV) lead based on a paced atrio-ventricular (AV) delay. The first pulse timed to be delivered concurrently with an intrinsic ventricular conduction. The methods and systems further repeat the delivery of the first pulse a...