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    • 8. 发明授权
    • Ultrasonic diagnostic apparatus
    • 超声波诊断仪
    • US08845538B2
    • 2014-09-30
    • US12989546
    • 2009-04-14
    • Takeshi Matsumura
    • Takeshi Matsumura
    • A61B8/00A61B5/00A61B8/08A61B8/13A61B8/06
    • A61B8/485A61B5/6843A61B8/06A61B8/13A61B8/4281A61B8/488
    • The invention was made to simplify the operation relating to the detection of an absolute pressure applied to a test body by an ultrasonic probe and thereby to enhance usability. The fact that an elastic coupler has been attached to the ultrasonic wave transmitter/receiver surface and the fact that the elastic coupler is in an initial state with no pressure are detected (S2, S3), an initial thickness of the elastic coupler in the initial state is obtained (S6), the fact that the elastic coupler is in the pressurized state is detected based on the disappearance of a multiple echo which is included in an RF signal and caused due to the elastic coupler, the thickness of the elastic coupler in the pressurized state is obtained by detecting the boundary between the test body and the elastic coupler in the pressurized state, the thickness change is obtained based on the thickness in the pressurized state and the initial thickness (S7), and the absolute pressure applied to the test object is evaluated based on the thickness change and the pre-set elasticity property of the elastic coupler (S8).
    • 本发明是为了简化与通过超声波探头对被检体施加的绝对压力的检测相关的操作,从而提高了可用性。 检测到弹性耦合器已经附着到超声波发射器/接收器表面以及弹性耦合器处于初始状态而没有压力的事实(S2,S3),初始的弹性耦合器的初始厚度 获得状态(S6),弹性耦合器处于加压状态的事实是基于包含在RF信号中并由弹性耦合器引起的多重回波的消失,弹性耦合器的厚度 通过在加压状态下检测试验体与弹性联轴器之间的边界来获得加压状态,基于加压状态下的厚度和初始厚度(S7)获得厚度变化,并且施加到 基于弹性联轴器的厚度变化和预设弹性特性来评价试验对象(S8)。