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    • 5. 发明授权
    • Ultrasonic diagnostic device, and method for measuring initma-media complex thickness
    • 超声波诊断装置以及测量初始 - 媒体复合物厚度的方法
    • US09179889B2
    • 2015-11-10
    • US13496832
    • 2010-11-12
    • Takenori FukumotoAkihiro KawabataMakiko UrabeTakao SuzukiYushi Nishimura
    • Takenori FukumotoAkihiro KawabataMakiko UrabeTakao SuzukiYushi Nishimura
    • A61B8/02A61B8/08
    • A61B8/0858A61B8/0891A61B8/5284
    • An ultrasonic diagnostic apparatus according to the present invention includes: an ultrasonic signal processing section, which performs transmission processing for transmitting an ultrasonic wave toward a subject's blood vessel by driving a probe and reception processing for generating a received signal based on the ultrasonic wave reflected from the subject's blood vessel and received at the probe; a tomographic image processing section, which generates a tomographic image based on the received signal; a boundary detecting section, which detects the lumen-intima and media-adventitia boundaries of the blood vessel based on the received signal or the tomographic image; a vascular wall thickness calculating section, which calculates, as a vascular wall thickness value, the interval between the lumen-intima and media-adventitia boundaries detected by the boundary detecting section; a reliability determining section, which determines the reliability of the vascular wall thickness value by a signal feature of the received signal or an image information feature of the tomographic image at a location on the lumen-intima and/or media-adventitia boundaries detected; and a control section, which decides, in accordance with the decision made by the reliability determining section, that the vascular wall thickness value be defined as an intima-media thickness.
    • 根据本发明的超声波诊断装置包括:超声波信号处理部,其进行用于通过驱动探头向被检者的血管发送超声波的发送处理和基于从所述超声波反射的超声波生成接收信号的接收处理 受试者的血管并在探头处接受; 断层图像处理部,其基于所接收的信号生成断层图像; 边界检测部,其基于所接收的信号或断层图像检测血管的内腔和介质 - 外膜边界; 血管壁厚计算部,其计算由所述边界检测部检测出的所述内腔和介质 - 外膜边界之间的间隔作为血管壁厚度值; 可靠性确定部,其通过接收信号的信号特征或者在检测到的管腔内膜和/或介质外膜边界上的位置处的断层图像的图像信息特征来确定血管壁厚值的可靠性; 以及控制部,其根据所述可靠性判定部的判定,判断为血管壁厚值被定义为内膜中间厚度。