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This technical specification describes methods of measuring the performance of complete real-time medical ultrasonic imaging equipment in the frequency range 0,5 MHz to 23 MHz.Note: The frequency range given represents, in general, the widely used range in hospitals at the date of publication; special medical applications use higher frequencies for imaging but mainly in research or pre-clinical imaging.This technical specification is relevant for real-time ultrasonic scanners based on the pulse-echo principle, for the types listed below:–mechanical sector scanner;–electronic phased array sector scanner;–electronic linear array scanner;–electronic curved array sector scanner;– water-bath scanner based on any of the above four scanning mechanisms;– plane-wave/fast imaging scanners.See also IEC61391-1 AMD1 and IEC61391-2 in 2.The methods described are based on evaluation of: sonograms obtained by scanning of tissue mimicking objects (phantoms); sonograms obtained by scanning of artificial low or highly reflective targets in suitable environments; parameters of the ultrasound energy transmitted by the measured scanner.This technical specification does not relate to methods for measuring electrical parameters of the scanner’s electronic systems.
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