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Development of the closed-loop Joule-Thomson cryoablation device for long area cooling

첫 페이지 보기
  • 발행기관
    한국초전도저온학회 (구 한국초전도저온공학회) 바로가기
  • 간행물
    한국초전도·저온논문지 (구 한국초전도저온공학회논문지) KCI 등재 바로가기
  • 통권
    Vol.15 No.3 (2013.09)바로가기
  • 페이지
    pp.40-48
  • 저자
    Cheonkyu Lee, Inmyong Park, Donggyu Yoo, Sangkwon Jeong, Sang Woo Park
  • 언어
    한국어(KOR)
  • URL
    https://www.earticle.net/Article/A212560

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원문정보

초록

영어
Cryoablation device is a surgical instrument to produce the cooling effect to destroy detrimental biological tissue by utilizing low temperature around 110 K. Usually, this device has the concentrated cooling region, so that it is suitable for concentrated and thick target. Accordingly, it is hard to apply this device for the target which is distributed and thin target. In this study, the design procedure of a closed-loop cryoablation device with multiple J-T expansion part is developed for the treatment of incompetent of great saphenous vein. The developed cyoablation device is designed with the analysis of 1-dimensional (1-D) bio-heat equation. The energy balance is considered to determine the minimum mass flow rate of refrigerant for consecutive flow boiling to develop the uniform cooling temperature. Azeotropic mixed refrigerant R410A and zeotropic mixed refrigerant (MR) of R22 (CHClF2) and R23 (CHF3) are utilized as operating fluids of the developed cryoablation device to form the sufficient temperature and to verify the quality of the inside of cryoablation probe. The experimental results of R410A and the zeotropic MR show the temperature non-uniformity over the range are 244.8 K ±2.7 K and 239.8 K ±4.7 K respectively. The experimental results demonstrate that the probe experiences the consecutive flow boiling over the target range of 200 mm.

목차

Abstract
 1. 서론
 2. 극저온 수술용 프로브의 설계
  2.1 세포 파괴 메커니즘
  2.2 냉각용량 모델링
  2.3 폐쇄형 사이클 설계
  2.4 질량유량 예측
 3. 설계법에 따른 극저온 수술용 프로브의 구현
  3.1 극저온 수술용 프로브의 구현
  3.2 R410A의 실험결과 및 고찰
  3.3 비공비 혼합냉매의 실험결과 및 고찰
 4. 결론
 ACKNOWLEDGMENT
 REFERENCES

키워드

cryoablation device J-T cooler mixed refrigerant closed-loop great saphenous

저자

  • Cheonkyu Lee [ Cryogenic Engineering Laboratory, Korea Advanced Institute of Science and Technology, Daejeon, Korea ] Corresponding author
  • Inmyong Park [ Cryogenic Engineering Laboratory, Korea Advanced Institute of Science and Technology, Daejeon, Korea ]
  • Donggyu Yoo [ Cryogenic Engineering Laboratory, Korea Advanced Institute of Science and Technology, Daejeon, Korea ]
  • Sangkwon Jeong [ Cryogenic Engineering Laboratory, Korea Advanced Institute of Science and Technology, Daejeon, Korea ]
  • Sang Woo Park [ Konkuk University Hospital, School of Medicine, Konkuk University, Seoul, Korea ]

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    한국초전도저온학회 (구 한국초전도저온공학회) [The Korean Society of Superconductivity and Cryogenics (KSSC)]
  • 설립연도
    1998
  • 분야
    공학>전기공학
  • 소개
    21세기 핵심기술인 초전도공학과 저온공학분야의 기술 수준을 향상시키고, 선진 외국의 관련 학회와의 국제 교류 뿐만 아니라 이 분야에서 산.학.연의 학술활동 및 기술교류의 구심점으로의 그 역할을 성실히 수행하고자 한다.

간행물

  • 간행물명
    한국초전도·저온논문지 (구 한국초전도저온공학회논문지) [Progress in Superconductivity and Cryogenics]
  • 간기
    계간
  • pISSN
    1229-3008
  • eISSN
    2287-6251
  • 수록기간
    1999~2026
  • 등재여부
    KCI 등재,SCOPUS
  • 십진분류
    KDC 427 DDC 537

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