ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,501, issued on June 17, was assigned to ABIOMED INC. (Danvers, Mass.).

"Determination of cardiac parameters for modulation of blood pump support" was invented by Christian Moyer (Danvers, Mass.), Scott C. Corbett (Danvers, Mass.), Ahmad El Katerji (Danvers, Mass.) and David Weber (Danvers, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The systems, devices, and methods presented herein use a blood pump to obtain measurements of cardiac function. The system can quantify the functioning of the native heart by measuring certain parameters/signals such as aortic pressure or motor current, then calculate and display one or more cardiac parameters a...