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MONITORING AND CONTROL OF MICROBUBBLE CAVITATION IN THERAPEUTIC ULTRASOUND

机译:超声治疗中微泡蚀变的监测与控制

摘要

An ultrasonic diagnostic imaging system performs microbubble-mediated therapy such as sonothrombolysis or encapsulated drug delivery. The site of the therapeutic procedure is imaged by harmonic imaging. The type and amount of cavitation present in the image field is detected by performing cavitation imaging, which detects echo characteristics indicative of different types of cavitation at locations in the image field. A colorized image overlay is produced, with one color indicating locations of stable cavitation and another indicating locations of inertial cavitation. The colorized image is overlaid or combined with a B mode image to indicate the cavitation locations and its type to a user. The user can adjust the transmit power of the ultrasound system until the desired amount and type of cavitation is produced at the therapy site.
机译:超声诊断成像系统执行微气泡介导的治疗,例如声纳溶栓或封装的药物输送。治疗过程的部位通过谐波成像成像。通过执行空化成像来检测存在于图像场中的空化的类型和数量,该空化成像检测指示在图像场中的位置处的不同类型的空化的回波特性。产生彩色图像叠加图,其中一种颜色指示稳定的气蚀位置,另一种颜色指示惯性的气蚀位置。彩色图像被覆盖或与B模式图像组合以向用户指示空化位置及其类型。使用者可以调节超声系统的发射功率,直到在治疗部位产生所需数量的空化类型。

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