ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,600, issued on Sept. 1, was assigned to NINA MEDICAL LTD (Nazereth, Israel).

"Acoustic field mapping with ultrasonic particle velocity estimator" was invented by Shmuel Ben-Ezra (Pardes-Hanna, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A first transducer (20) transmits a first acoustic field (22) at a first frequency into a region (24) of a medium (26), generating oscillatory motion of scatterers (28) disposed in the region. A second transducer (30) transmits acoustic pulses (32, 34) into the region, and receives respective echoes of each pulse scattering off an oscillating scatterer in the region. The pulses are synchronized with the fir...