Journal of Radiation Industry (방사선산업학회지)

Korean Society of Radiation Industry (한국방사선산업학회)
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Evaluation of Application of 3D Printing Phantom According to Manufacturing Method

구성 물질에 따른 3D 프린팅 팬텀의 적용 평가

  • Young Sang Kim (Department of Radiology, Samsung Medical Center) ;
  • Ju Young Lee (Department of Radiological Science, Shingu College) ;
  • Hoon Hee Park (Department of Radiological Science, Shingu College)
  • 김영상 (삼성서울병원 영상의학과) ;
  • 이주영 (신구대학교 방사선학과) ;
  • 박훈희 (신구대학교 방사선학과)
  • Received : 2023.06.06
  • Accepted : 2023.06.26
  • Published : 2023.06.30
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Abstract

3D printing is a technology that can transform and process computerized data obtained through modeling or 3D scanning via CAD. In the medical field, studies on customized 3D printing technology for clinical use or patients and diseases continue. The importance of research on filaments and molding methods is increasing, but research on manufacturing methods and available raw materials is not being actively conducted. In this study, we compare the characteristics of each material according to the manufacturing method of the phantom manufactured with 3D printing technology and evaluate its usefulness. We manufactured phantoms of the same size using poly methyl meta acrylate (PMMA), acrylonitrile butadiene styrene (ABS), and Poly Lactic Acid (PLA) based on the international standard phantom of aluminum step wedge. We used SITEC's radiation generator (DigiRAD-FPC R-1000-150) and compared the shielding rate and line attenuation coefficient through the average after shooting 10 times. As a result, in the case of the measured dose transmitted through each phantom, it was confirmed that the appearance of the dose measured for phantoms decreased linearly as the thickness increased under each condition. The sensitivity also decreased as the steps increased for each phantom and confirmed that it was different depending on the thickness and material. Through this study, we confirmed that 3D printing technology can be usefully used for phantom production in the medical field. If further development of printing technology and studies on various materials are conducted, it is believed that they will contribute to the development of the medical research environment.

Keywords

References

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