ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,597, issued on April 29, was assigned to TC1 LLC (St. Paul, Minn.).

"Circulatory support systems including controller and plurality of sensors and methods of operating same" was invented by Daniel I. Harjes (Carlisle, Mass.) and Nichole Mercier (Pelham, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A circulatory support system includes an implantable blood pump including a housing, a rotor operable to pump blood from an inlet to an outlet, a stator, and at least two of the following: a current sensor, a rotor position sensor, an accelerometer, and a pressure sensor. The controller is connected to the sensors and includes a signal-processing mod...