ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,269, issued on Dec. 2.
"Ventricular assist device" was invented by Yossi Gross (Mazor, Israel) and Oz Cabiri (Hod HaSharon, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ventricular assist device (VAD) for use with a heart includes a housing, an upper membrane pump including a pumping chamber coupled to one-way upper inlet and outlet valves, a lower membrane pump including a pumping chamber coupled to one-way lower inlet and outlet valves, and an actuator that causes the upper membrane pump and the lower membrane pump to alternately draw blood into and pump blood out of their respective pumping chambers, and a control module in operative co...