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    • 2. 发明授权
    • Medical ultrasonic power motion imaging
    • 医用超声波功率运动成像
    • US5718229A
    • 1998-02-17
    • US655394
    • 1996-05-30
    • Patrick Rene PesqueRoy Beck PetersonJens Ulrich Quistgaard
    • Patrick Rene PesqueRoy Beck PetersonJens Ulrich Quistgaard
    • A61B8/06A61B8/00
    • A61B8/06A61B8/13A61B8/543
    • An ultrasonic imaging system is provided which produces signals representative of tissue motion through amplitude detection of echo signals from which stationary clutter has been removed. Tissue motion may be distinguished from noise and flow signals on the basis of the dynamic range of the detected signals. The tissue motion signals may be displayed in combination with B mode signals to augment images of moving tissue, or in a two dimensional image in combination with B mode and Doppler image information. A sequence of gated tissue motion images of the heart may be displayed with each image of a different phase of the heart cycle displayed in a different color. The sequence may be played in a real time sequence, or the images accumulated in a common static image which overlay and hence mask one another, thereby revealing subtle differences in motion from one phase of the heart cycle to another.
    • 提供了一种超声波成像系统,其通过对其中已经去除了固定杂波的回波信号的振幅检测来产生表示组织运动的信号。 可以基于检测到的信号的动态范围将组织运动与噪声和流量信号区分开。 组织运动信号可以与B模式信号组合显示,以增加运动组织的图像,或者与B模式和多普勒图像信息相结合的二维图像中。 可以以不同颜色显示心脏周期的不同阶段的每个图像来显示心脏的门控组织运动图像序列。 该序列可以以实时序列播放,或者在叠加并因此彼此掩蔽的公共静态图像中累积的图像,从而显示从心脏周期的一个阶段到另一个阶段的细微运动差异。