ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,156, issued on Aug. 12, was assigned to TC1 LLC (St. Paul, Minn.).
"Pressure sensing ventricular assist devices and methods of use" was invented by Daniel I. Harjes (Acton, Mass.), Kathryn B. Frederick (Medford, Mass.) and Eric Lee (Oakland, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention generally relates to heart pump systems. In some embodiments, a pressure sensor is provided with a heart pump, either at the inflow or the outflow of the blood pump. The heart pump may further include a flow estimator based on a rotor drive current signal delivered to the rotor. Based on the rotor drive current signal, a differential pressure ac...