대한방사선기술학회지:방사선기술과학 (Journal of radiological science and technology)

  • 제43권5호
  • /
  • Pages.353-357
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  • 2020
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  • 2288-3509(pISSN)
  • /
  • 2384-1168(eISSN)
대한방사선과학회 (Korean Society of Radiological Science)
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인터벤션 방사선발생장치에서 입사표면선량률 평가

Evaluation of Radiation Entrance Surface Dose Rates for Interventional Radiology Equipment

  • 강병삼 (신구대학교 방사선과) ;
  • 장광현 (삼성서울병원 영상의학과)
  • 투고 : 2020.10.05
  • 심사 : 2020.10.27
  • 발행 : 2020.10.31
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초록

IVR procedures are on the rise, and patient doses are on the rise. It is necessary to evaluate fluoroscopy dose in IVR procedure. Evaluate ESD on IVR equipment as a reference to DRL settings, I would like to present the direction of improvement in the ESD rate test criteria for fluoroscopy dose. The experimental method is measured with 6cc ionization chamber under the 20cm PMMA Phantom. Radiation is subject to abdominal procedure. The average dose rate of the incident surface was 21.6 ± 11.4 mGy/min. The highest dose equipment was 58.5 mGy/min, and there was no equipment exceeding the domestic standard of 100 mGy/min. However, there were five units above 50 mGy/min. To reduce fluoroscopy dose, it is recommended to reduce pulse rate, The dose increases as the image receptor ages. It is recommended to modify the domestic inspection criteria to 50 mGy/min.

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참고문헌

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