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Abstract

An apparatus, method and system comprising an imaging tool for imaging an interventional device and its target organ using Doppler ultrasound are disclosed. The apparatus comprises an imaging tool and an interventional medical device; in some embodiments the imaging tool itself may be an interventional device or may comprise components of the interventional device. The imaging tool comprises a vibratory transducer and a vibratable element. The vibratory transducer is energized to generate a vibration motion in the vibratable element at first imaging frequency, which in turn is capable of oscillating a target organ at a second imaging frequency, the imaging frequencies being detectable by an ultrasound imaging system with Doppler mode. In certain applications the vibratory transducer may be energized to vibrate at a therapeutic frequency to effect treatment of the target organ, for example to clear a lumenal or vascular stenosis or to penetrate a vascular occlusion.

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First Claim