Journal of radiological science and technology (대한방사선기술학회지:방사선기술과학)

Korean Society of Radiological Science (대한방사선과학회)
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Usefulness of an Auxiliary Tool for Hand Radiography by Using 3D Printing

3D 프린팅을 이용한 손 엑스선 검사 보조도구의 유용성

  • Ji-Won Kim (Department of Radiology, College of Radiology and Medical Science, Daejeon Health Institute of Technology) ;
  • Bon-Yeoul Koo (Department of Radiology, Vision College of Jeonju)
  • 김지원 (대전보건대학교 방사선의과학대학 방사선과) ;
  • 구본열 (전주비전대학교 방사선과)
  • Received : 2023.10.15
  • Accepted : 2023.11.08
  • Published : 2023.12.31
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Abstract

As an auxiliary tool for fixing the patient's posture when taking an X-ray, sponges with high radiolucencies are laminated in various thicknesses. This study aimed to evaluate the usefulness of an auxiliary tool for hand oblique projection X-ray by manufacturing it with a uniform thickness by 3D printing and comparing it with existing sponge tools. In the auxiliary tool, radiolucency was measured at the stairs where each finger was located, and pixel information values were compared in the digital imaging and communications in medicine(DICOM) image. Contrast to noise ratio(CNR) and signal to noise ratio(SNR) were compared by shooting the hand phantom and the auxiliary tool together. As the thickness of the sponge tool increased, radiolucency decreased by 15.52% and pixel information value increased by 20.61%. The transmittance of the 3D printing tool increased by 0.82%, and the pixel information value differed by 5.66%. CNR and SNR increased by 20.03% and 22.42% in 3D printing compared to existing sponge tools. while taking hand oblique projection, maintaining the thickness of the auxiliary tool uniformly through 3D printing maintains high radiolucency and minimal impact on medical images, and increases CNR and SNR, making it useful as an auxiliary tool for taking hand oblique projection.

Keywords

References

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