Increasing Radiation Force-Induced Displacement at Matched Pressure by Reducing Effective Aperture
2020
Localization of the focus during transcranial focused ultrasound procedures is critical for targeting the correct region and avoiding unwanted effects. Magnetic resonance acoustic radiation force imaging provides the ability to image the displacement induced by the focused ultrasound beam. By reducing the aperture of the therapeutic transducer, we are able to increase the measured displacement at matched pressures. This method can localize the ultrasound focus while having less risk of unwanted effects.
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