Table 2.
Hemorrhagic lesions of kidneys exposed to ultrasonic propulsion with clinical prototype, high power or continuous duty cycle using research ultrasound machine, or SWL.
| Transcutaneous | Probe on Kidney | SWL | |||
|---|---|---|---|---|---|
|
| |||||
| Ultrasonic Propulsion | High Power | High Power | High Duty Cycle | ||
| No. kidneys | 3 | 5 | 3 | 3 | 6 |
| Machine | Clinical | Research | Research | Research | Dornier HM-3 |
| Stone/bead | Yes | No | No | No | No |
| Power | 10 W | 240 W | 240 W | 80 W | 24 kV |
| Duty cycle | 3.3% | 3.3% | 3.3% | 100% | 120 SWs/min |
| Time (mins) | 1.7±0.1 | 10 | 10 | 10 | 20 |
| p+ (MPa) | 12 | 68 | 93 | 47 | 40–55 |
| SPPA inten. (W/cm2) | 2,400 | 15,000 | 26,130 | 9,320 | |
|
| |||||
| % lesion size | 0.0±0.0 | 0.0±0.0 | 0.46±0.37 | 1.15±0.49 | 1.56±0.45 |