Table 2.

Ultrasound Parameters for Therapeutic Ultrasound.

Therapeutic Ultrasound Technique	Ref.	Transducer	Center Freq.	Power (W)	Duty Cycle (%)	PRF	PNP (MPa)
High Intensity Focused Ultrasound	[33,44,104,105,106,107,108,109,110]	ExAblate 4000 High Intensity Focused Ultrasound headsystem (InSightec, Inc, Tirat Carmel, Israel); H-102 (Sonic Concepts, Bothell, WA, USA); Custom transducer (Blatek, Inc., State College, PA, USA)	220 kHz–1.51 MHz	0–550	2.5–50	1–1000 Hz	1.2–3.2
Histotripsy & Microtripsy	[38,39,40,111,112,113,114]	Spherical focused transducer, 18-element therapy transducer (Imasonic, Besancon, France)	1–1.2 MHz	-	0.1–18	5–1000 Hz	2–35

Abbreviations: PRF—Pulse Repetition Frequency, PNP—Peak Negative Pressure.