发明名称 Ultrasonic diagnostic apparatus, doppler measurement apparatus, and Doppler measurement method
摘要 According to one embodiment, an ultrasonic diagnostic apparatus comprises a Doppler processing unit which generates a Doppler spectrum from an ultrasonic signal reflected from a predetermined region in a heart, a trace waveform generation unit which generates temporal changes in a predetermined spectrum component in the Doppler spectrum as a plurality of trace waveforms, a corrected trace waveform generation unit which generates a corrected trace waveform with the loss being interpolated by using a trace waveform, of the plurality of trace waveforms, which has a loss portion, and at least one estimation point input for the trace waveform, and an output unit which outputs a plurality of trace waveforms including the corrected trace waveform.
申请公布号 US8821401(B2) 申请公布日期 2014.09.02
申请号 US201113150284 申请日期 2011.06.01
申请人 Kabushiki Kaisha Toshiba;Toshiba Medical Systems Corporation 发明人 Baba Tatsuro;Kamiyama Naohisa;Nakauchi Shouichi
分类号 A61B8/00;A61B8/06 主分类号 A61B8/00
代理机构 Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. 代理人 Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
主权项 1. An ultrasonic diagnostic apparatus, comprising: a Doppler processing circuit configured to generate a Doppler spectrum from an ultrasonic signal reflected from a predetermined region in a heart; a control processing circuit configured to generate temporal changes in a predetermined spectrum component in the Doppler spectrum as a plurality of trace waveforms, and generate a corrected trace waveform by interpolating a trace waveform of the plurality of trace waveforms that has a loss portion, using an estimation point input for the trace waveform, the estimation point specifying a blood flow velocity at a given time, wherein the control processing circuit is configured to generate the corrected trace waveform so that the corrected trace waveform passes through the estimation point; and a display configured to output a plurality of trace waveforms including the corrected trace waveform.
地址 Tokyo JP