Efficacy and Safety Evaluation of Changes in Lower Extremity Edema of Radiofrequency

Radiofrequency of 9.50v, 218.5mA and 2.076W is applied once a day for 30 minutes, a total of 3 times

The appearance is the same as the medical device for clinical trials, and when applied, the sound and the amount of light visible from the outside are designed to be the same as the medical device for clinical trials. The external light was the same, and only the high frequency that stimulates the dermis was blocked. The sham device was applied once a day for 30 minutes, a total of 3 times.