Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Optical Sensor of Coplanar Structure Study and Design for Intravenous Solution Exhaustion Alarm System

수액 소진 알람시스템을 위한 동일평면형 광센서의 연구 및 제작

  • Park, Hyo Soon (Graduate School of Electronics Engineering, Kyungpook National University) ;
  • Kim, Tae Yun (Graduate School of Electronics Engineering, Kyungpook National University) ;
  • Jung, Eui Sung (Institute of Biomedical Engineering Research, Kyungpook National University) ;
  • Seong, Ki Woong (Department of Biomedical Engineering, Kyungpook National University Hospital) ;
  • Kim, Myoung Nam (Department of Biomedical Engineering, School of Medicine, Kyungpook National University) ;
  • Cho, Jin-Ho (Graduate School of Electronics Engineering, Kyungpook National University)
  • 박효순 (경북대학교 대학원 전자공학부) ;
  • 김태윤 (경북대학교 대학원 전자공학부) ;
  • 정의성 (경북대학교 의공학연구소) ;
  • 성기웅 (경북대학교병원 의공학과) ;
  • 김명남 (경북대학교 의학전문대학원 의공학교실) ;
  • 조진호 (경북대학교 대학원 전자공학부)
  • Received : 2015.03.06
  • Accepted : 2015.04.02
  • Published : 2015.03.31
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Abstract

Intravenous (IV) infusion set is one of the most common treatment methods applied to hospitalized patients. However, it is necessary to check the injection of IV solution in order to prevent patients from any possible medical injuries. In this paper, using the optical sensors to detect exhaustion of IV solution was proposed. The optical sensor is coplanar structure composed of LED and photodiode which is installed according to focal distance of the lens. These two elements detect exhaustion of IV solution at the desired point conveniently. Through the results of experiments using various wavelength of LED (R.G.B), the blue LED was selected to the optimum light source. The suggested optical sensor can detect exhaustion of IV solution by the differences in the amount of light which is caused by properties such as total reflection, refractive index and scattering. From the implementation, the detector is applicable to both containers of IV solution, glass bottle and plastic pack. And also the result shows apparent differences according to existence of IV solution even if the IV solution color and illumination were changed.

Keywords

References

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