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可穿戴上肢功能性電刺激儀的設(shè)計(jì)與實(shí)驗(yàn)
2022年電子技術(shù)應(yīng)用第6期
蘇棟楠1,2,尚 鵬2,胡志剛1,曾梓琳1,魏 風(fēng)2,吳繼鵬2,楊德龍2
1.河南科技大學(xué) 醫(yī)學(xué)技術(shù)與工程學(xué)院,河南 洛陽(yáng)471000;2.中國(guó)科學(xué)院深圳先進(jìn)技術(shù)研究院,廣東 深圳518055
摘要: 功能性電刺激已經(jīng)成為醫(yī)院腦卒中運(yùn)動(dòng)康復(fù)治療的常用有效手段,但治療儀機(jī)器體積龐大,訓(xùn)練地點(diǎn)固定且電刺激模式單一。針對(duì)以上問(wèn)題,設(shè)計(jì)一款基于STM32芯片可穿戴四通道功能性電刺激儀。它需要能夠?qū)崟r(shí)調(diào)控電刺激模式與參數(shù),還能夠滿足患者自主居家的上肢康復(fù)訓(xùn)練。電刺激儀系統(tǒng)由STM32主控芯片、電源管理模塊、boost升壓模塊、電刺激驅(qū)動(dòng)電路以及串口屏人機(jī)交互模塊等組成。實(shí)驗(yàn)結(jié)果表明,該儀器能有效引起肌肉的收縮,正確地輸出電刺激波形,達(dá)到行康復(fù)治療的療效。
中圖分類(lèi)號(hào): TP242.3
文獻(xiàn)標(biāo)識(shí)碼: A
DOI:10.16157/j.issn.0258-7998.222527
中文引用格式: 蘇棟楠,尚鵬,胡志剛,等. 可穿戴上肢功能性電刺激儀的設(shè)計(jì)與實(shí)驗(yàn)[J].電子技術(shù)應(yīng)用,2022,48(6):92-97.
英文引用格式: Su Dongnan,Shang Peng,Hu Zhigang,et al. Design and experiment of a wearable functional electrical stimulation instrument for upper limbs[J]. Application of Electronic Technique,2022,48(6):92-97.
Design and experiment of a wearable functional electrical stimulation instrument for upper limbs
Su Dongnan1,2,Shang Peng2,Hu Zhigang1,Zeng Zilin1,Wei Feng2,Wu Jipeng2,Yang Delong2
1.College of Medical Technology and Engineering,Henan University of Science and Technology,Luoyang 471000,China; 2.Shenzhen Institute of Advanced Technology,Chinese Academy of Sciences,Shenzhen 518055,China
Abstract: Functional electrical stimulation has become a commonly used and effective method for the rehabilitation of stroke in hospitals. However, due to the large size of the therapeutic apparatus, the fixed training location, and the single electrical stimulation mode, a wearable four-channel functional electrical stimulator based on the STM32 chip was designed to solve the above problems. It needs to be able to control the electrical stimulation mode and parameters in real-time, and also to meet the upper limb rehabilitation training of patients at home. The electric stimulator system includes the STM32 main control chip, power management module, boost module, electric stimulation drive circuit, and serial screen human-computer interaction module. Experimental results show that the instrument can effectively cause muscle contraction, output electrical stimulation waveforms correctly, and achieve the curative effect of rehabilitation therapy.
Key words : functional electrical stimulation;electrical stimulation parameters;upper limb;hardware

0 引言

    當(dāng)今腦卒中(俗稱(chēng)中風(fēng))患者數(shù)量與日俱增,截至2020年底,我國(guó)統(tǒng)計(jì)的腦卒中患者已有1 200多萬(wàn)人,且呈現(xiàn)年輕化趨勢(shì),25歲以上的成年人罹患腦卒中終身風(fēng)險(xiǎn)為39.3%[1]。此外,腦卒中往往伴隨著患者的運(yùn)動(dòng)功能損傷,對(duì)患者的生活與工作造成不便,而早期的康復(fù)治療能一定程度上有效恢復(fù)患者的運(yùn)動(dòng)功能[2-7]。功能性電刺激(Functional Electrical Stimulation,F(xiàn)ES)就是使用低頻電信號(hào)刺激肌肉,使失能肌肉產(chǎn)生收縮,釋放神經(jīng)遞質(zhì),通過(guò)下運(yùn)動(dòng)神經(jīng)元反饋刺激上運(yùn)動(dòng)神經(jīng)元,達(dá)到患者康復(fù)治療的療效。如今,功能性電刺激已經(jīng)成為醫(yī)院康復(fù)治療的常用有效手段,但是目前醫(yī)院用于功能性電刺激的儀器體積龐大,使用場(chǎng)地局限性較大,不便于患者實(shí)時(shí)和任意場(chǎng)所的康復(fù)訓(xùn)練。針對(duì)以上問(wèn)題,本文設(shè)計(jì)了一款針對(duì)上肢康復(fù)訓(xùn)練的可穿戴四通道功能性電刺激儀,可以自主控制升壓范圍,多頻率可調(diào),且治療儀體積小巧便攜,滿足患者居家上肢康復(fù)訓(xùn)練。




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作者信息:

蘇棟楠1,2,尚  鵬2,胡志剛1,曾梓琳1,魏  風(fēng)2,吳繼鵬2,楊德龍2

(1.河南科技大學(xué) 醫(yī)學(xué)技術(shù)與工程學(xué)院,河南 洛陽(yáng)471000;2.中國(guó)科學(xué)院深圳先進(jìn)技術(shù)研究院,廣東 深圳518055)




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