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DISPOSITIF DE DIAGNOSTIC PAR ULTRASONS ET PROCÉDÉ D'ÉVALUATION D'ÉLASTICITÉ
专利权人:
Hitachi; Ltd.
发明人:
申请号:
EP15868469.6
公开号:
EP3231369A1
申请日:
2015.11.17
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
Provided is an ultrasound diagnostic device having an elasticity evaluation function with which high accuracy and high reproducibility can be achieved while avoiding the influence of internal stresses. The ultrasound diagnostic device comprises: a transceiver 13 which causes a probe 12 for transmitting and receiving ultrasonic waves to transmit and receive first, second, third ultrasonic waves to and from a subject; an image production unit 16 for producing an image on the basis of a received signal related to the first ultrasonic wave; a velocity measurement unit 17 which sets a measurement region on the basis of the produced image, transmits the second ultrasonic wave to the measurement region to create shear waves, and calculates the propagation velocity of the shear waves from a received signal obtained by transmitting and receiving the third ultrasonic wave to and from the measurement region; and an elasticity evaluation unit 18 for evaluating the elasticity of the subject on the basis of the calculated propagation velocity. The velocity measurement unit measures the propagation velocity at the same position a plurality of times. The elasticity evaluation unit 18 derives an elasticity evaluation index using variations in the results obtained by measuring the propagation velocity a plurality of times.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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