ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,497, issued on June 23, was assigned to inQB8 Medical Technologies LLC (Winchester, Mass.).

"Intra-cardiac left atrial and dual support systems" was invented by J. Brent Ratz (Winchester, Mass.) and Arshad Quadri (West Hartford, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for treating atrial dysfunction, including heart failure and/or atrial fibrillation, that includes one or more pressurizing elements and control circuitry. The one or more pressurizing elements can comprise one or more balloons and can be configured to be positioned in the left atrium, and optionally the pulmonary artery, of a patient's heart. The one or more pres...