Journal of radiological science and technology (대한방사선기술학회지:방사선기술과학)

Korean Society of Radiological Science (대한방사선과학회)
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Evaluation of Image Receptor Characteristics in Computed Radiography System Using Exposure Index in International Electrotechnical Commission (I)

IEC 규정 노출지수를 활용한 디지털 방사선 영상시스템에서의 영상 수용체간 특성평가 (I)

  • Park, Hyemin (Department of Health and Safety Convergence Science, Korea University) ;
  • Yoon, Yongsu (Department of Health Sciences, Faculty of Medical Sciences, Kyushu University) ;
  • Roh, Younghoon (Integrated Medical Technology Team, Department of Research and Development, Medical Device Development Center, Osong Medical Innovation Foundation) ;
  • Kim, Sungjun (Department of Health and Safety Convergence Science, Korea University) ;
  • Na, Chanyoung (Department of Health and Safety Convergence Science, Korea University) ;
  • Han, Taeho (Department of Health and Safety Convergence Science, Korea University) ;
  • Kim, Jungsu (Department of Radiologic Technology, Daegu Health College) ;
  • Jeong, hoiwoun (Department of Radiological Science, Baekseok Culture University) ;
  • Kim, Jungmin (Department of Health and Safety Convergence Science, Korea University)
  • 박혜민 (고려대학교 보건안전융합과학과) ;
  • 윤용수 (규슈대학교 의학연구원 보건학부문) ;
  • 노영훈 (오송첨단의료기기개발지원센터 제품개발부 바이오융합팀) ;
  • 김성준 (고려대학교 보건안전융합과학과) ;
  • 나찬영 (고려대학교 보건안전융합과학과) ;
  • 한태호 (고려대학교 보건안전융합과학과) ;
  • 김정수 (대구보건대학교 방사선과) ;
  • 정회원 (백석문화대학교 방사선과) ;
  • 김정민 (고려대학교 보건안전융합과학과)
  • Received : 2019.06.24
  • Accepted : 2019.08.27
  • Published : 2019.08.31
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Abstract

The International Electrotechnical Commission (IEC) has regulated the definition and requirements of the exposure index (EI). In this study, we calculated the EI of several image receptors in digital radiography system of two different manufacturers according to the method as per IEC, and evaluated the relationship with incident air kerma. To calculate the EI, w e obtained the characteristics curve of each image receptor by increasing the incident air kerma at RQA 3, 5, 7 and 9, respectively. As a result, there was no significant difference in the EI values between different image receptors of the same manufacturer, but EI values of different manufacturer was different despite the same air kerma was incident. Therefore, understanding the characteristics of the digital radiography systems is important in order to use EI as a tool for measuring and managing the radiation dose.

Keywords

References

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