대한의용생체공학회:학술대회논문집 (Proceedings of the KOSOMBE Conference)

대한의용생체공학회 (The Korean Society of Medical and Biological Engineering)
권호 표지

실시간 디지털 사지 혈류량 측정기 개발

Development of Real Time Digital Peripheral Plethysmography

  • 김수찬 (연세대학교 생체공학 협동과정) ;
  • 김덕원 (연세대학교 의과대학 의용공학교실)
  • Kim, S.C. (Bioengineering Program, Yonsei University) ;
  • Kim, D.W. (Department of Biomedical Engineering, College of Medicine, Yonsei University)
  • 발행 : 1997.11.28
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초록

Electrical impedance plethysmography is still be one of the simplest and most convenient methods or non-invasive measurement of blood low, but it has the weak point can not do real-time measurement because of using chart-record or processing after receiving data from analog plethysmography through A/D converter. In this study. we developed hardware system composed of analog part which include auto-balancing circuit and calibration register and digital part which include 80C196KC, keypad, and LCD. we studied the algorithms or extracting parameter to calculate blood low and implemented it using general purpose micro controller.

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