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Reusable Electrical Activity of the Heart Monitoring Patch for Mobile/Ubiquitous Healthcare

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Abstract

In order to monitor electrical activity of the heart during daily life, we present an electrode of a medical instrument system which is able to measure the body surface potential difference by minimizing the electrode distance. The designed electrode is composed of concentric circles. It was made from the basis of the Laplacian equation, and implemented on PCB coated with gold. So that it does not cause the uncomfortable feeling of contact and possible skin troubles which are typical shortcoming of the conventional ECG measurement. The suggested method utilized three concentric circles on FR-4 substrate, so new amplifier design regarding measuring of small biological signal, is considered which has the characteristics of asymmetric input impedance since the area of concentric circular ring electrodes is not identical. Thereby, electrical activity of the heart was obtained successfully. However, its signal quality is a little bit degraded and the motion artifact still remains as a major problem as is in conventional electrocardiography measurement. Certainly stable measurement setup was needed to reduce the motion artifact originated from variation in static electricity between skin and electrode interfaces.

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Acknowledgments

This work was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD) (The Regional Research Universities Program/Chungbuk BIT Research-oriented University Consortium).

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Authors and Affiliations

  1. School of Biomedical Engineering, Research Institute of Biomedical Engineering, College of Biomedical and Life Science, Konkuk University, 322 Danwol-dong, Chungju, South Korea

    Jeong-Whan Lee, Kang-Hwi Lee, Young-Jae Lee, Lee-Yon Hong, Kyeong-Seop Kim & Bongsoo Lee

  2. School of Computer and Communication Engineering, Chongju University, Chongju, South Korea

    Dong-Jun Kim

  3. Department of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea

    Myoungho Lee

Authors
  1. Jeong-Whan Lee
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  2. Kang-Hwi Lee
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  3. Young-Jae Lee
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  4. Lee-Yon Hong
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  5. Dong-Jun Kim
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  6. Kyeong-Seop Kim
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  7. Bongsoo Lee
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  8. Myoungho Lee
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Correspondence to Jeong-Whan Lee.

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Lee, JW., Lee, KH., Lee, YJ. et al. Reusable Electrical Activity of the Heart Monitoring Patch for Mobile/Ubiquitous Healthcare. J Med Syst 33, 41–46 (2009). https://doi.org/10.1007/s10916-008-9162-8

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  • DOI: https://doi.org/10.1007/s10916-008-9162-8

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