容量式ウェアラブル胸バンド型心電計における外乱に対する耐性評価

DOI Web Site Web Site 参考文献18件
  • 加藤 祐希
    東京電機大学大学院工学研究科電気電子工学専攻
  • 元原 将策
    東京電機大学大学院工学研究科電気電子工学専攻
  • 大無田孝夫
    鈴鹿医療科学大学医用工学部臨床工学科
  • Azran Azhim
    Department of Biotechnology, Kulliyyah of Science, International Islamic University Malaysia
  • 植野 彰規
    東京電機大学大学院工学研究科電気電子工学専攻

書誌事項

タイトル別名
  • Artifact Tolerance Test for Capacitive Wearable Chest-Belt Electrocardiograph
  • 容量式ウェアラブル胸バンド型心電計における外乱に対する耐性評価 : 電極シールド構造の影響
  • ヨウリョウシキ ウェアラブル キョウ バンドガタ シンデンケイ ニ オケル ガイラン ニ タイスル タイセイ ヒョウカ : デンキョク シールド コウゾウ ノ エイキョウ
  • —電極シールド構造の影響—
  • —Effect of Electrode Configuration—

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抄録

<p>Electrocardiogram (ECG) provides useful information for the diagnosis of cardiovascular disease. In capacitive-coupled ECG sensing, electrostatic artifact and movement artifact become serious problems. In particular, low frequency components such as T wave of ECG are susceptible to the artifacts. To obtain clear ECG, high stability is required for the electrocardiograph using capacitive-coupled electrode. In this study, tolerance of capacitive wearable chest-belt electrocardiograph was tested for the electrostatic and movement artifacts. A constant electrostatic artifact was discharged repeatedly on three types of electrode having different shielding configurations, and their transient responses were compared in terms of deviation area, transient slope and recovery time. The results revealed the best tolerance of doubly-shielded five-layered electrode. The best performed five-layered electrode was used for exercise tolerance test. Then, detection rates of R-wave and T-wave of ECG, and standard deviation of base line of the recordings were calculated as tolerance indices and compared to those obtained by commercial disposable electrode. Although R-wave detection rate of the five-layered electrode decreased by 2.0%, the rate of T-wave was comparable to those of the disposable electrode. Furthermore, the standard deviation of the base line was significantly smaller than that of the disposable electrode (p<0.01).</p>

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