플라즈마 멸균기용 진공 챔버의 설계 및 평가
Design and Evaluation of the Vacuum Chamber for Plasma Sterilizer
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초록
It is essential for medical equipment sterilization operations to prevent infections in the hospital. The low temperature plasma sterilization method using oxygenated water has the advantage of high efficiency and short time in sterilizing processes. However, a chamber which can hold constant vacuum condition without deformation is essential in the sterilizing system to apply plasma sterilization technique. In this study, therefore, the vacuum chamber is developed for 70 liter plasma sterilization device. The vacuum chamber is designed by checking the thickness, edge fillet value and rib of chamber through each simulation. And the performance of the chamber is investigated by vibrational modes and heat stress simulation. The prototype vacuum chamber is tested by experiments to verify the safety and efficiency for 0.1 Torr vacuum, and the result shows the expected vacuum level and displacement.
Abstract
It is essential for medical equipment sterilization operations to prevent infections in the hospital. The low temperature plasma sterilization method using oxygenated water has the advantage of high efficiency and short time in sterilizing processes. However, a chamber which can hold constant vacuum condition without deformation is essential in the sterilizing system to apply plasma sterilization technique. In this study, therefore, the vacuum chamber is developed for 70 liter plasma sterilization device. The vacuum chamber is designed by checking the thickness, edge fillet value and rib of chamber through each simulation. And the performance of the chamber is investigated by vibrational modes and heat stress simulation. The prototype vacuum chamber is tested by experiments to verify the safety and efficiency for 0.1 Torr vacuum, and the result shows the expected vacuum level and displacement.
참고문헌 (6)
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- Sterilizing Device using Plasma Technology, Report of Korea Industrial Technology Foundation, "H. K", 5~22 (2005)
- Evaluating Guideline for Low Temperature Sterilization Method of Medical Devices and Supplies, Report of Ministry of Food and Drug Safety, "O. R. Kwon", 27~253 (2016)
- M. H. Choi, "Ultrahigh Vacuum Seal Technology of Aluminum Vacuum Chamber", J. of Korean Vacuum Soci., 4(3), pp.231~237 (1995)
- 최복록, "터보차져의 파손현상과 열응력 해석", 한국기계기술학회지, 15(6), pp.875~880 (2013), 한국기계기술학회[DOI]
- 신준, "우루시올이 제거된 생옻 추출물 제조장치", 한국기계기술학회지, 19(5), pp.747~752 (2017), 한국기계기술학회[DOI]