Table 1.
Main parameters of 1D and 2D HMI/HMIFU systems
| 1D HMI/HMIFU | 2D HMI/HMIFU | |
|---|---|---|
| FUS transducer | 4.75-MHz single-element transducer | 4.5-MHz 93-element FUS phased array |
| Imaging transducer | 7.5-MHz single-element pulse-echo transducer | 2.5-MHz 64-element phased array |
| Parameters | ||
| AM frequency | 25 Hz | 25 Hz |
| Sampling frequency | 100 MHz | 80 MHz |
| Frame rate | 1000 Hz | 1000 Hz |
| Acoustic power | 11 W | 8.7 W |
| Imaging duration | 0.6 seconds | 0.6 seconds |
| Ablation duration | 120 seconds | 120 seconds |
AM amplitude-modulated, FUS focused ultrasound, HMI harmonic motion imaging, HMIFU harmonic motion imaging for focused ultrasound