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基于光纖傳感的生理參數(shù)監(jiān)測系統(tǒng)研究

趙榮建 湯敏芳 陳賢祥 杜利東 曾華林 趙湛 方震

趙榮建, 湯敏芳, 陳賢祥, 杜利東, 曾華林, 趙湛, 方震. 基于光纖傳感的生理參數(shù)監(jiān)測系統(tǒng)研究[J]. 電子與信息學(xué)報, 2018, 40(9): 2182-2189. doi: 10.11999/JEIT170894
引用本文: 趙榮建, 湯敏芳, 陳賢祥, 杜利東, 曾華林, 趙湛, 方震. 基于光纖傳感的生理參數(shù)監(jiān)測系統(tǒng)研究[J]. 電子與信息學(xué)報, 2018, 40(9): 2182-2189. doi: 10.11999/JEIT170894
Rongjian ZHAO, Minfang TANG, Xianxiang CHEN, Lidong DU, Hualin ZENG, Zhan ZHAO, Zhen FANG. Research of Physiological Monitoring System Based on Optical Fiber Sensor[J]. Journal of Electronics & Information Technology, 2018, 40(9): 2182-2189. doi: 10.11999/JEIT170894
Citation: Rongjian ZHAO, Minfang TANG, Xianxiang CHEN, Lidong DU, Hualin ZENG, Zhan ZHAO, Zhen FANG. Research of Physiological Monitoring System Based on Optical Fiber Sensor[J]. Journal of Electronics & Information Technology, 2018, 40(9): 2182-2189. doi: 10.11999/JEIT170894

基于光纖傳感的生理參數(shù)監(jiān)測系統(tǒng)研究

doi: 10.11999/JEIT170894
基金項(xiàng)目: 北京市自然科學(xué)基金(Z16003),國家重點(diǎn)研發(fā)計(jì)劃(2016YFC1304302)
詳細(xì)信息
    作者簡介:

    趙榮建:男,1985年生,博士生,研究方向?yàn)樯畔⒏兄夹g(shù)

    湯敏芳:女,1996年生,博士生,研究方向?yàn)榭纱┐魇郊夹g(shù)

    陳賢祥:男,1979年生,副研究員,碩士生導(dǎo)師,研究方向?yàn)榭纱┐魇郊夹g(shù)

    杜利東:男,1981年生,助理研究員,研究方向?yàn)槲⒓{制造技術(shù)

    曾華林:男,1974年生,副研究員,研究方向?yàn)楣鈧鞲衅骷夹g(shù)

    趙湛:男,1958年生,研究員,博士生導(dǎo)師,研究方向?yàn)槲⒓{制造技術(shù)、無線傳感器網(wǎng)絡(luò)、生命信息感知與計(jì)算

    方震:男,1976年生,研究員,博士生導(dǎo)師,研究方向?yàn)榭纱┐魇郊夹g(shù)

    通訊作者:

    方震  zfang@mail.ie.ac.cn

  • 中圖分類號: TP389.1;Q819

Research of Physiological Monitoring System Based on Optical Fiber Sensor

Funds: The Key Project of Beijing Municipal Natural Science Foundation (Z16003), The National Key Research and Development Project of China (2016YFC1304302)
  • 摘要: 常規(guī)生理參數(shù)監(jiān)測系統(tǒng)由于測量時接觸皮膚,因此舒適感差、個體依從性差。為解決上述問題,該文基于生理的微弱運(yùn)動可致光纖微彎曲變形進(jìn)而致光強(qiáng)度發(fā)生變化的原理,研制了新型的基于光纖傳感的生理參數(shù)監(jiān)測系統(tǒng)。該系統(tǒng)通過光探測器自適應(yīng)地檢測細(xì)小的光強(qiáng)變化獲得心沖擊圖(BCG)信號,利用信號處理算法獲取心率、呼吸率和體動等信息;把光纖嵌入床墊或坐墊設(shè)計(jì)為三明治結(jié)構(gòu),既保護(hù)了光纖又增強(qiáng)了系統(tǒng)的可靠性和穩(wěn)定性;采用蛇形返折走線將光纖均勻地分布在墊子中間,使系統(tǒng)具有高靈敏度。通過多家醫(yī)院臨床標(biāo)準(zhǔn)方法對比測試可得在95%的置信區(qū)間(±1.96SD)內(nèi)該系統(tǒng)心率均值誤差為–0.26±2.80次/min,與標(biāo)準(zhǔn)值之間的相關(guān)性為0.9984;呼吸率均值誤差為0.41±1.49次/min,與標(biāo)準(zhǔn)值之間的相關(guān)性為0.9971。實(shí)驗(yàn)表明,研制的系統(tǒng)可在零負(fù)荷的狀態(tài)下無感進(jìn)行生理參數(shù)測量,在健康醫(yī)療領(lǐng)域具有廣泛的應(yīng)用前景。
  • 圖  1  微彎曲光纖式傳感器結(jié)構(gòu)圖

    圖  2  微彎曲光纖傳導(dǎo)損耗圖

    圖  3  系統(tǒng)結(jié)構(gòu)框圖

    圖  4  光纖墊子的結(jié)構(gòu)框圖

    圖  5  光纖采集系統(tǒng)的電路圖

    圖  6  光纖采集控制反饋環(huán)

    圖  7  智能光纖睡墊AD采集的原始BCG信號

    圖  8  經(jīng)過濾波后的BCG信號

    圖  9  呼吸率算法流程圖

    圖  10  心率算法流程圖

    圖  11  原型機(jī)照片

    圖  12  后臺記錄的某用戶連續(xù)20 min的心率和呼吸率圖

    圖  13  心率測量相關(guān)系數(shù)圖和心率Bland-Altman圖

    圖  14  呼吸率測量相關(guān)系數(shù)圖和呼吸率Bland-Altman圖

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出版歷程
  • 收稿日期:  2017-09-21
  • 修回日期:  2018-06-15
  • 網(wǎng)絡(luò)出版日期:  2018-07-12
  • 刊出日期:  2018-09-01

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