Duration of study period (per participant): Screening period (-6~0weeks), Intervention period (4weeks).~Patient needs to visit site at least 3 times (Screening, Baseline, V4), V2 can be done with screening visit. V3 is tele-Visit.~The clinical trial device performs a personal electrical stimulation around the trigeminal nerves for 4weeks (6 times/week), 20 minutes each time.~During the study period, examination and treatment methods are carried out in the same way.
The purpose of this study is to investigate the safety and effectiveness of trigeminal nerve electrical stimulator on reducing the frequency of migraine onset. It is applied to migraine patients and analyzes the results by comparing them before and after 4weeks.