After ultrasound application was completed, the sodium lauryl sulfate solution was then replaced by 0.5 ml saline. Vacuum (10 inches Hg) was applied to the chamber for 5 min. At the end of vacuum ...

There is no direct contact with the patient's skin other than the saline mist which delivers the ultrasound to the tissue. The patient feels only a cool mist, which is painless. The saline can be ...