한국멀티미디어학회논문지 (Journal of Korea Multimedia Society)

  • 제25권8호
  • /
  • Pages.1022-1037
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  • 2022
  • /
  • 1229-7771(pISSN)
  • /
  • 2384-0102(eISSN)
한국멀티미디어학회 (Korea Multimedia Society)
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주파수 출력 제어 최적화를 통한 고강도 집속 초음파 피부치료 시스템 개발 연구

A Study on the Development of High-Intensity Focused Ultrasound Skin Treatment System Through Frequency Output Control Optimization

  • Park, Jong-Cheol (Department of Electrical, Electronics & Information Communications Engineering, Graduate School, Tong Myong University) ;
  • Kim, Min-Sung (School of Artificial Intelligence, College of Artificial Intelligence Convergence, TongMyong University)
  • 투고 : 2022.08.15
  • 심사 : 2022.08.22
  • 발행 : 2022.08.31
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초록

It is important to develop a transducer that generates uniform output power through frequency control of the HIFU at 4 MHz frequency for the high intensity focused ultrasound (HIFU) skin diseases treatment. In this paper, a 4 MHz frequency band HIFU system for skin disease treatment was designed, manufactured and developed. In HIFU, even for the ultrasonic vibrator in the 4 MHz frequency band, the characteristics of the output power of the HIFU are different depending on the difference in the thickness of the PZT material. Through the development of a system amplifier, the sound output of the HIFU transducer was improved to more than 48 W and uniform output power control was possible. And, it is possible to control the output power even in a frequency band of 4.0 to 4.7 MHz, which is wider than 4.0 MHz, and shows the resonance frequency of the transducer. The maximum output power for each frequency was 49.969 W and the minimum value was 48.018 W. The maximum output power compared to the minimum output power is 49.969 W, which is uniform within 4.1%. It was confirmed that the output power of the HIFU through the amplifier can be uniformly controlled in the 4 MHz frequency band.

키워드

과제정보

This research was supported by the TongMyong University Research Grants 2020(2020A030)

참고문헌

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