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    • 6. 发明申请
    • BLOOD FLOW IMAGING
    • 血液流动成像
    • US20070239014A1
    • 2007-10-11
    • US11675711
    • 2007-02-16
    • Hideki YOSHIKAWATakashi AZUMA
    • Hideki YOSHIKAWATakashi AZUMA
    • A61B8/00
    • A61B8/5276A61B8/06A61B8/13
    • Blood-flow image display equipment for displaying a CFM image that is not affected by a motion of a tissue in an object area during capturing of images or is affected in a reduced manner. The blood-flow image display equipment has following components: a transmitting controller for controlling transmission triggers of a signal for B-mode and a signal for CFM based on a velocity of motion of an object; an ultrasonic transducer in which piezoelectric ultrasonic transducers each for transmitting/receiving an ultrasonic wave to/from the object are arranged in the form of an array; a B-mode image construction unit for constructing a B-mode image with received signals; a motion detector for measuring a motion vector of the object using the B-mode image; a receiving unit for CFM signal for receiving the signal for CFM from the ultrasonic transducer; a time-series signal storage unit for CFM that collects a CFM measurement region located in the same area of the object based on the motion vector measured by the motion detector and stores them in memory in time sequence; and an autocorrelation processing unit for performing autocorrelation processing on time-series CFM signals.
    • 用于在拍摄图像期间显示不受物体区域内的组织的运动影响的CFM图像的血流图像显示设备,或者以减少的方式影响。 血流图像显示装置具有以下部件:发送控制器,用于基于物体的运动速度控制用于B模式的信号的传输触发和用于CFM的信号; 超声波换能器以阵列的形式布置有用于向/从物体发送/接收超声波的压电超声换能器, B模式图像构造单元,用于构造具有接收信号的B模式图像; 运动检测器,用于使用B模式图像测量对象的运动矢量; 用于CFM信号的接收单元,用于从超声换能器接收用于CFM的信号; 用于CFM的时间序列信号存储单元,其基于由运动检测器测量的运动矢量来收集位于对象的相同区域中的CFM测量区域,并将它们以时间顺序存储在存储器中; 以及自相关处理单元,用于对时间序列CFM信号执行自相关处理。