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基于無線能量傳輸技術(shù)的植入式三路心電遙測系統(tǒng)

One implantable three-lead ECG radio telemetry system based on wireless power transmission technology

作者: 郭子平  劉華  顏國正  賈智偉  石煜  朱柄全 
單位:上海交通大學(xué)電子信息與電氣工程學(xué)院 (上海 200240)
關(guān)鍵詞: 無線能量傳輸;植入式;遙測系統(tǒng);三路心電 
分類號:
出版年·卷·期(頁碼):2012·31·3(283-287)
摘要:

目的 為全方位監(jiān)測心電信號并彌補(bǔ)單一導(dǎo)聯(lián)心電檢測的不足,設(shè)計(jì)并實(shí)現(xiàn)了一種基于無線能量傳輸技術(shù)的植入式三路心電遙測系統(tǒng)。方法 系統(tǒng)由無線能量傳輸設(shè)備供能,植入式微型電子膠囊檢測心電信號,數(shù)據(jù)記錄儀無線接收數(shù)據(jù)并由數(shù)據(jù)處理軟件處理。直流供電下分別采用模擬心電信號、正弦信號、方波信號通過模擬實(shí)驗(yàn)驗(yàn)證了系統(tǒng)的性能。無線供能下信號線屏蔽后并埋在豬肉中進(jìn)行體外實(shí)驗(yàn)。結(jié)果 模擬實(shí)驗(yàn)?zāi)z囊能夠采集三種信號,體外實(shí)驗(yàn)測得有噪聲的信號波形。結(jié)論 直流供電下膠囊正常工作,無線供能下豬肉對磁場有一定程度的屏蔽作用。

Objective In order to monitor ECG signals comprehensively and remedy the defects of single ECG detection, an implantable three-lead ECG radio telemetry system based on wireless power transmission technology is designed and achieved. Methods The wireless power transmission device supplies energy for the system, the implantable miniature electronic capsule detects ECG signals, and the detected data are received by the data logger wirelessly and processed by the processing software. In the simulation experiment, simulated ECG signals, sine-wave signals and square-wave signals are used to prove the performance of the system respectively under DC power supply. In the experiment in vitro, the signal lines are shielded and buried in the pork under the wireless power supply. Results The three types of signals can be detected in the simulation experiment and the signal wave with noise is detected. Conclusions The capsule works properly under DC power supply. Pork has a certain degree of shielding effect of magnetic field under wireless power supply.

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