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논문 기본 정보

자료유형
학술저널
저자정보
김영상 (삼성서울병원 영상의학과) 이주영 (신구대학교) 박훈희 (신구대학교)
저널정보
한국방사선산업학회 방사선산업학회지 방사선산업학회지 제17권 제2호
발행연도
2023.6
수록면
172 - 181 (10page)
DOI
10.23042/radin.2023.17.2.172

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초록· 키워드

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3D printing is a technology that can transform and process computerized data obtainedthrough modeling or 3D scanning via CAD. In the medical field, studies on customized 3D printingtechnology for clinical use or patients and diseases continue. The importance of research on filamentsand molding methods is increasing, but research on manufacturing methods and available raw materialsis not being actively conducted. In this study, we compare the characteristics of each material accordingto the manufacturing method of the phantom manufactured with 3D printing technology and evaluateits 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 standardphantom of aluminum step wedge. We used SITEC’s radiation generator (DigiRAD-FPC R-1000-150) andcompared 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 thatthe appearance of the dose measured for phantoms decreased linearly as the thickness increased undereach condition. The sensitivity also decreased as the steps increased for each phantom and confirmedthat it was different depending on the thickness and material. Through this study, we confirmed that3D printing technology can be usefully used for phantom production in the medical field. If furtherdevelopment of printing technology and studies on various materials are conducted, it is believed thatthey will contribute to the development of the medical research environment.

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