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中国医疗器械杂志 2019, Vol. 43 Issue (5) :318-321    DOI:
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基于表面肌电信号的椎旁肌监测系统研制
叶科学,邢丽冬,陆俊,钱志余 ,刘伟清
南京航空航天大学,南京市,210016
Design of Paravertebral Muscle Monitoring System Based on Surface Electromyography
YE Kexue, XING Lidong, LU Jun, Q
School of Nanjing University of Aeronautics and Astronautics, Nanjing, 210016

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摘要 为了实现通过椎旁肌诊断和评估人体脊柱病变情况,该文设计了一套基于表面肌电信号的椎旁肌监测系统。该系统使用 表面贴片电极获取椎旁肌表面肌电信号(sEMG),通过调理电路对信号进行滤波、放大处理,利用微控制器NRF52832 进行信号采集,并将采集的信号发送至手机APP。在APP中通过小波阈值去噪算法对信号预处理后,提取反映椎旁肌功 能状态的sEMG信号时域特征与频域特征,将计算的特征参数在APP界面中实时显示。实验结果表明,该系统在模拟信号 采集、信号的数字处理以及特征参数计算方面都满足设计要求,具有一定的应用价值。
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Abstract: In order to diagnose and evaluate the human spinal lesions through the paravertebral muscles, a paravertebral muscle monitoring system based on surface EMG signals was designed. The system used surface mount electrodes to obtain the surface myoelectric signal (sEMG) of paravertebral muscle. The signal was filtered and amplified by the conditioning circuit. The signal was collected by the microcontroller NRF52832 and was sent to the mobile APP. After the signal was preprocessed by the wavelet threshold denoising algorithm in APP, the time and frequency characteristics of the sEMG signal reflecting the functional state of the muscle were extracted. The calculated characteristic parameters was displayed in real time in the application interface. The experimental results show that the system meets the design requirements in analog signal acquisition, digital processing of signals and calculation of characteristic parameters. The system has certain application value.
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Received 2019-03-21;
Fund:

国家自然科学基金(61875085,81601532);江苏省自然科学基
金(BK20160814);江苏省社会发展计划(BE2016759)

Corresponding Authors: 邢丽冬     Email: xldnuaa@nuaa.edu.cn
About author: 叶科学,E-mail:986345830@qq.com
引用本文:   
叶科学,邢丽冬,陆俊,钱志余 ,刘伟清.基于表面肌电信号的椎旁肌监测系统研制[J]  中国医疗器械杂志, 2019,V43(5): 318-321
YE Kexue, XING Lidong, LU Jun, Q.Design of Paravertebral Muscle Monitoring System Based on Surface Electromyography[J]  Chinese Journal of Medical Instrumentation, 2019,V43(5): 318-321
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