High-resolution three, dimensional ultrasound imaging device
    1.
    发明授权
    High-resolution three, dimensional ultrasound imaging device 失效
    高分辨率三维超声成像装置

    公开(公告)号:US5673697A

    公开(公告)日:1997-10-07

    申请号:US637162

    申请日:1996-04-24

    IPC分类号: A61B8/14 G01S15/89 A61B8/00

    摘要: An acoustic imaging device for providing an image of a body in a medium, includes a plurality of acoustic transmit elements and a plurality of acoustic receive elements, an apparatus for activating one of the transmit elements to generate an ultrasonic signal, an apparatus to selectively receive and record from each of the receive elements a set of data representing a phase, amplitude and transit time of the ultrasonic signal, a first computing apparatus for calculating a velocity map of propagation velocity values in each of a plurality of volume elements including the body and the medium using the data set, and a second computing apparatus for calculating a reflectance map, including a coherent sum of reflectance values at selected points in the plurality of volume elements using the data set.

    摘要翻译: 一种用于在介质中提供身体的图像的声学成像装置,包括多个声发射元件和多个声接收元件,用于激活所述发射元件之一以产生超声波信号的装置,用于选择性地接收 并且从每个接收元件记录表示超声波信号的相位,幅度和渡越时间的一组数据,第一计算装置,用于计算包括身体的多个体积元素中的每一个中的传播速度值的速度图,以及 使用该数据组的介质,以及第二计算装置,用于计算反射率图,该反射率图包括使用该数据集在多个体积元素中的选定点处的反射率的相干和。