The submission must contain enough information to show that a device is substantially the same as a device already available A similar Premarket Notification is required if the device is significantly different, or might affect the safety or effectiveness of the device. If the ultrasound probe is moved through dry tissue it will cause burns to the tissue. In order to keep the tissue wet, it is injected with large volumes of IV fluid before surgery This is called the tumescent or super wet method. The fat is broken up or liquefied with ultrasound. This allows it to be removed more easily and with less loss of blood.
Ultrasonic liposuction is a method of removing fat from the subcutaneous space.
The fat is first broken up by ultrasound and then removed by suction. The skin may also be tightened.