Ultrasonograph

Patent Granted An ultrasonographic device includes: a transmission unit which drives an ultrasonic probe for transmitting an ultrasonic transmission wave to a living tissue; a reception unit which amplifies an ultrasonic wave reflection wave obtained by reflection of the ultrasonic transmission wave against the living tissue and received by the ultrasonic probe so as to generate a reception signal; a reference displacement amount measuring unit which measures a displacement amount of the reference point set on the reception signal.