| Term | Definition |
|---|
| Transducer | Sound head |
| Power (watts) | Amount of acoustic energy per unit time |
| Intensity (w/cm2) | Power/unit area of sound head 3watts per cm2 |
| Spatial Average Intensity | Average intensity over the area of the transducer |
| Spatial Peak Intensity | Peak intensity over the area of the transducer |
| Beam Nonuniformity Ration (BNR) | Ratio of spatial peak intensity to spatial average intensity |
| Continuous Ultrasound | Responsible for thermal effects |
| Pulsed Ultrasound | Responsible for non-thermal effects |
| Duty Cycle | Proportion of treatment time the ultrasound is delivered |
| Spatial Average Temporal Peak | Spatial average intensity during on time of pulse |
| Spatial Average Temporal Average | Spatial average intensity average over the entire treatment time |
| Frequency | Number of compression-rarefaction cycles per unit of time |
| Effective Radiation Area | Area of the transducer radiating ultrasound energy |
Combine with other sets
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