by Thamarasee Jeewandara, Medical Xpress Schematic diagram of the principle and design of the Doppler ultrasonic device. (A) Schematic of the Doppler ultrasonic device. The device continuously transmits ultrasound waves and receives echoes from a moving scatterer (such as red blood cells). (B) Schematics (left) and exploded view (right) of the device structure. ACF, Anisotropic...