20% before surgery There are three types of ultrasonic blades: American, Korean and domestic. The difference between these three ultrasonic blades is the stability of the beam and the depth of the dermis. Under the same physical condition, the US version of the ultrasonic blade is better than the Ko

1. Related to the machineThe Korean version of the ultrasonic knife is once every three months, the Israeli version of the ultrasonic knife is once a year, the US version of the ultrasonic knife is once a year and a half to two years, and the interval of the ultrasonic knife is 2 years, the ultrason