ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,315, issued on Sept. 23, was assigned to Abiomed Europe GmbH (Aachen, Germany).
"Ventricular assist device" was invented by Christoph Nix (Aachen, Germany), Katrin Lunze (Aachen, Germany), Thorsten Siess (Aachen, Germany) and Walid Aboulhosn (Aachen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control device (100) for controlling the rotational speed (nVAD(t)) of a non-pulsatile ventricular assist device, VAD, (50) uses an event-based within-a-beat control strategy, wherein the control device is configured to alter the rotational speed of the VAD within the cardiac cycle of the assisted heart and to synchronize the alteration of the ro...