PROBLEM TO BE SOLVED: To provide an ultrasonic diagnostic device which can obtain an elastic image in which elasticity of a biological tissue is more correctly reflected than a conventional one.SOLUTION: An ultrasonic diagnostic device comprises: an ultrasonic probe 2 which transmits/receives an ultrasonic wave and a transmission control part which makes the ultrasonic probe 2 transmit push pulses PP1-PP5 of the ultrasonic waves to each of a plurality of different sound lines sl1-sl5 arranged along one direction and makes the ultrasonic probe 2 transmit the push pulses PP1-PP5 of the ultrasonic waves at the timing at which each of shear waves generated in the biological tissue due to each of the plurality of push pulses PP1-PP5 transmitted to the biological tissue is composed.SELECTED DRAWING: Figure 6COPYRIGHT: (C)2016,JPO&INPIT【課題】従来よりも生体組織の弾性を正確に反映した弾性画像を得ることができる超音波診断装置を提供する。【解決手段】超音波診断装置は、超音波の送受信を行なう超音波プローブ2と、一方向に沿って並んだ異なる複数の音線sl1~sl5の各々に、前記超音波プローブ2から超音波のプッシュパルスPP1~PP5を送信させる送信制御部であって、生体組織に送信された複数の前記プッシュパルスPP1~PP5の各々によって前記生体組織に発生するせん断波の各々が合成されるタイミングで前記複数の超音波のプッシュパルスPP1~PP5を送信させる送信制御部と、を備えることを特徴とする。【選択図】図6
