ULTRASONIC DIAGNOSTIC DEVICE

摘要

PURPOSE:To obtain the information on a blood flow rate with high accuracy in real time by simultaneously scanning the blood vessel to be diagnosed with color Doppler for one of biplane sectors and a B mode for the other by control means using the biplane sectors which can scan orthogonal two planes and the transmission and reception circuit thereof. CONSTITUTION:The signal transmission and reception circuit 2 scans the biplane sectors 1 and transmits and receives ultrasonic signals. A B mode detection signal processing circuit 6 executes the amplitude detection and signal processing for obtaining the B mode image of the section of a testee body and the output thereof is displayed via a digital scan converter(DSC) 7 on a display means 11. The information on the blood flow velocity obtd. by a frequency analyzer 5 and the information on the blood vessel section obtd. by a sectional area detector 8 are corrected by the angle correction data from an angle detector 9 in a sectional angle corrector 13 and the blood flow rate is calculated by a blood flow calculator 10. The information on the blood flow velocity is subjected to angle correction by an angle converte4r 12 and is displayed as the CFM image of the section A via the DSC 7.