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Implementation of Wireless ECG Measurement System Attaching in Chair for Ubiquitous Health Care Environment

유비쿼터스 헬스 케어 적용을 위한 의자 부착형 무선 심전도 측정 시스템 구현

  • 예수영 (부산대학교 의학전문대학원 BK21 고급의료인력양성사업단) ;
  • 백승완 (부산대학교 의학전문대학원 마취통증의학교실) ;
  • 김지철 (부산대학교 의학전문대학원 의공학교실) ;
  • 전계록 (부산대학교 의학전문대학원 의공학교실)
  • Published : 2008.08.01

Abstract

In this study, ubiquitous health care system attaching in chair to monitor ECG for health care was developed at the unconsciousness state. The system conveniently and simple measured ECG at non-consciousness. We measured the contact impedance to skin-electrode of metal mesh electrodes of the system. Contact impedance enable the electrode to use for ECG measurement. The results are that the impedance of the metal mesh electrodes according to sizes is low when the size is 4$cm^2$. As the result, when the size of the metal mesh electrode is 4$cm^2$, the electrode is fit for ECG measurement. We can acquired by positing the arm on the metal mesh electrode. The ECG signal was detected using a high-input-impedance bio-amplifier, and then passed filter circuitry. The measured signal transmitted to a PC through the bluetooth wireless communication and monitored. Data of the non-constrained ECG system attaching in chair is noise-data when comparing metal mesh electrode with the Ag/Agcl electrode but the data is significant to monitor ECG for check the body state.

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