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Figure 1 | Journal of Therapeutic Ultrasound

Figure 1

From: Effects of varying duty cycle and pulse width on high-intensity focused ultrasound (HIFU)-induced transcranial thrombolysis

Figure 1

Top view inside the hemispheric transducer of the ExAblate™ 4000 HIFU headsystem. Each black tile contains nine single ultrasound-transmitting elements (total N = 1,000). All elements transmit towards the center of the transducer (green star), creating a sharp focus beam of 4.0-mm diameter in lateral and 6.0 mm in elevational orientation. Parametric images of the focus, based on acoustic measurements, are given in XY (upper left) and Z (upper right) orientations.

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Journal of Therapeutic Ultrasound

ISSN: 2050-5736