Among the medical devices, medical treatments inflicting physical energy from the outside of the body to the inside or using the energy from the devices which take advantages of chemical changes of the human body require a high degree of reliability and safety.In particular, the medical treatment on the most exposed skin to the external surface in all parts of the human body will be very important. In this perspective, when you undergo skin treatment, you need to reduce all risks and to maximize the effect of treatment equipment. Therefore, the development of equipment which guarantees high therapeutic efficacy and safety is essential.
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