基于表面肌电的面瘫神经功能评估

张宇尊; 郑肖肖; 赵梓尧; 柳泱; 祁光菊; 冯新红; 张沕琳

doi:10.20193/j.ices2097-4191.2025.0001

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集成电路与嵌入式系统 ›› 2025, Vol. 25 ›› Issue (2) : 11-15. DOI: 10.20193/j.ices2097-4191.2025.0001

生物医疗芯片与系统研究专栏

基于表面肌电的面瘫神经功能评估

张宇尊 ¹ ,
郑肖肖 ² ,
赵梓尧 ³ ,
柳泱 ³ ,
祁光菊 ² ,
冯新红 ²^,^* ,
张沕琳 ³^,^*

作者信息 +

Assessment of facial palsy based on surface electromyography

ZHANG Yuzun ¹ ,
ZHENG Xiaoxiao ² ,
ZHAO Ziyao ³ ,
LIU Yang ³ ,
QI Guangju ² ,
FENG Xinhong ²^,^* ,
ZHANG Milin ³^,^*

Author information +

文章历史 +

摘要

设计并实现了一种针对面瘫患者的面部表面肌电(sEMG)信号采集与分析系统,用于评估面瘫程度并辅助临床诊断。系统主要包括3部分:自主设计的肌电采集电极、肌电采集设备以及基于服务器的分析程序。自研电极使用亲肤透气的PU膜材料,增强粘附性和抗过敏性,同时覆盖额肌、颧肌、眼轮匝肌和口轮匝肌等面部主要肌群,实现对健侧和患侧对应肌肉的精细化监测。肌电采集设备通过差分放大和模/数转换结合无线蓝牙传输实时采集并传输sEMG信号至服务器。分析程序从动作特性、相关度特性和肌群特性3个维度进行信号处理与对比,为医生提供患者面瘫部位与程度的量化数据支持。实验结果表明,本系统能够有效区分患者患侧与健侧肌肉的活动特性,系统性能稳定,操作便捷,具有良好的应用前景。

Abstract

This paper presents the design and implementation of a surface electromyography (sEMG) signal acquisition and analysis system for assessing the severity of facial palsy and supporting clinical diagnosis. The system consists of three main components: custom-designed sEMG electrodes, an sEMG acquisition device, and a server-based analysis program. The custom electrodes, made of skin-friendly, breathable, and waterproof PU film, improve adhesion and reduce the risk of allergic reactions. These electrodes cover major facial muscle groups, including the frontalis, zygomaticus, orbicularis oculi, and orbicularis oris, enabling precise monitoring of corresponding muscles on both the affected and unaffected sides. The acquisition device employs differential amplification, analog-to-digital conversion, and wireless Bluetooth transmission to collect and transmit sEMG signals to the server in real time. The analysis program processes the signals from three perspectives: motion characteristics, correlation characteristics, and muscle group characteristics, providing quantitative data to assist physicians in determining the location and severity of facial palsy. Experimental results demonstrate that the system effectively differentiates the activity characteristics of affected and unaffected muscles, offering stable performance, ease of operation, and promising application prospects.

导出引用

张宇尊, 郑肖肖, 赵梓尧, 等. 基于表面肌电的面瘫神经功能评估[J]. 集成电路与嵌入式系统. 2025, 25(2): 11-15 https://doi.org/10.20193/j.ices2097-4191.2025.0001

ZHANG Yuzun, ZHENG Xiaoxiao, ZHAO Ziyao, et al. Assessment of facial palsy based on surface electromyography[J]. Integrated Circuits and Embedded Systems. 2025, 25(2): 11-15 https://doi.org/10.20193/j.ices2097-4191.2025.0001

中图分类号： R318 (生物医学工程)

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https://doi.org/10.1016/j.jneumeth.2009.12.019

https://www.ncbi.nlm.nih.gov/pubmed/20064556

本文引用 [1] 摘要

In order to accurately characterize essential muscle activity during facial movements a new surface EMG (SEMG) technique was introduced and applied. Results represent reference data of healthy persons for future diagnostic purposes. In 30 healthy males monopolar electromyograms of the facial muscles were simultaneously recorded from 48 bilateral-symmetrically applied small surface electrodes while performing 29 facial movements of high clinical relevance. Mean SEMG amplitudes were quantified by power spectral analysis, normalized and presented as movement-related SEMG profiles. The mean SEMG amplitudes increased significantly in response to facial movements. Critical values of the movement-related SEMG amplitude increase were ascertained, valid for 90% of all examined subjects. The mean SEMG amplitudes differed between the performed facial movements, the examined muscles, and intramuscularly between lateral-medial and superior-inferior electrode positions, but not systematically between right and left side of face. The results show that the interplay between individual facial muscles and intramuscularly between their functional subunits is more differentiated than was previously estimated. With the presented facial SEMG technique the produced SEMG profiles are highly relevant for better planning of facial movement restoration. Based on the established reference data, this method can be used to objectively evaluate a facial paresis and to monitor changes during the course of disease and treatment. To easily apply the method, a reduction of electrode positions is intended after the clinical evaluation.Copyright (c) 2010 Elsevier B.V. All rights reserved.

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