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    • 21. 发明授权
    • Systems and methods for tracking and guiding high intensity focused ultrasound beams
    • 用于跟踪和引导高强度聚焦超声波束的系统和方法
    • US09420988B2
    • 2016-08-23
    • US12809617
    • 2008-12-17
    • Ajay AnandJohn Petruzzello
    • Ajay AnandJohn Petruzzello
    • A61B8/14A61B8/08A61N7/02A61B8/06
    • A61B8/08A61B8/06A61B8/485A61B2090/378A61N7/02
    • The present disclosure provides systems and methods for tracking and guiding high intensity focused ultrasound beams (HIFU). More particularly, the disclosed systems and methods involve use of acoustic radiation force impulse (ARFI) imaging to detect the focal position of an HIFU capable transducer relative to a target area. The focal position may then be 5 compared to a desired treatment location and the orientation and focus of the transducer may be adjusted accordingly so as to reconfigure and/or refocus the HIFU beam relative to the desired treatment location. The desired treatment location may be dynamically determined using bleed detection and localization (BD&L) techniques. Thus, the desired treatment location may be determined using 3D Doppler ultrasound based techniques, wherein changes in quantitative 10 parameters extracted from the Doppler spectra, e.g., Resistance Index (RI), are used to detect and localize a bleeding site for treatment.
    • 本公开提供了用于跟踪和引导高强度聚焦超声波束(HIFU)的系统和方法。 更具体地,所公开的系统和方法包括使用声辐射力脉冲(ARFI)成像来检测相对于目标区域的具有HIFU能力的传感器的焦点位置。 然后可以将焦点位置与期望的治疗位置进行比较,并且相应地调节换能器的取向和焦点,以便相对于期望的治疗位置重新配置和/或重新聚焦HIFU束。 可以使用出血检测和定位(BD&L)技术动态地确定期望的治疗位置。 因此,可以使用基于3D多普勒超声的技术来确定期望的治疗位置,其中使用从多普勒频谱提取的定量10个参数(例如,电阻指数(RI))的变化来检测和定位用于治疗的出血部位。