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http://dx.doi.org/10.17661/jkiiect.2021.14.5.394

Developed an output device for high-frequency cosmetic medical equipment using micro multi-needle  

Kim, Jun-tae (Corporate R&D Center, ECLEO. Co,. Ltd.)
Joo, Kyu-tai (Corporate R&D Center, ECLEO. Co,. Ltd.)
Cha, Eun Jong (College of Medicine, Chungbuk National University)
Kim, Myung-mi (Graduate School of Alternative Medicine, Kyonggi University)
Jeong, Jin-hyoung (Department of Medical IT, Catholic Kwandong University)
Publication Information
The Journal of Korea Institute of Information, Electronics, and Communication Technology / v.14, no.5, 2021 , pp. 394-402 More about this Journal
Abstract
The entry of an aging society and the extension of human life expectancy, the increasing interest in women's social advancement and men's appearance, and the natural interest in K-culture through media media, while receiving worldwide attention, Focus on K-Bueaty. Recently, looking at the occupation of the medical tourism field, in the case of aesthetic medicine tourism such as molding and dermatology, it has gained popularity not only in Asia such as China and Japan, but also in North America and Europe. The first external confirmation of human aging is the wrinkles on the skin of the face. Clean, wrinkle-free, elastic and healthy skin is a desire of most people. Skin condition and condition such as focused ultrasonic stimulation (HIFU: High Intensity Focused Utrasound) and low frequency, high frequency (RF: Radio Frequency), galvanic therapy using microcurrent, cryotherapy using rapid cooling, etc. Depending on the method of management, the effect of the treatment differs depending on the output and the stimulation site, etc., even in the treatment of medical equipment and beauty equipment using the same mechanism. In this research, in order to develop invasive high-frequency dermatological devices using a large number of beauty medical devices and microneedles of beauty devices, the international standards IEC 60601-2 (standards for individual medical devices) and MFDS (Ministry of) We designed and developed a high-frequency output device in compliance with the high-frequency stimulation standard announced in the Food and Drug Safety (Ministry of Food and Drug Safety). The circuit design consists of an amplifier (AMP: Amplifier) using Class-A Topology and a power supply device using Half-Bridge Topology. As a result of measuring the developed high-frequency output device, an average efficiency of 63.86% was obtained, and the maximum output was measured at 116.7W and 50.67dBm.
Keywords
RF(Radio Frequency); Half-Bridge Topology; Class-A Topology; Skin treatment; AMP(Amplifier);
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