Voluntary participation of hemiplegic patients is crucial for functional electrical stimulation therapy.A wearable functional electrical stimulation system has been proposed for real-time volitional hand motor functio...Voluntary participation of hemiplegic patients is crucial for functional electrical stimulation therapy.A wearable functional electrical stimulation system has been proposed for real-time volitional hand motor function control using the electromyography bridge method.Through a series of novel design concepts,including the integration of a detecting circuit and an analog-to-digital converter,a miniaturized functional electrical stimulation circuit technique,a low-power super-regeneration chip for wireless receiving,and two wearable armbands,a prototype system has been established with reduced size,power,and overall cost.Based on wrist joint torque reproduction and classification experiments performed on six healthy subjects,the optimized surface electromyography thresholds and trained logistic regression classifier parameters were statistically chosen to establish wrist and hand motion control with high accuracy.Test results showed that wrist flexion/extension,hand grasp,and finger extension could be reproduced with high accuracy and low latency.This system can build a bridge of information transmission between healthy limbs and paralyzed limbs,effectively improve voluntary participation of hemiplegic patients,and elevate efficiency of rehabilitation training.展开更多
Stroke was one of the leading causes of death in the Chinese population in 2017.Most stroke survivors may suffer from different levels of disabilities,which prevents them from returning to their daily activities.The d...Stroke was one of the leading causes of death in the Chinese population in 2017.Most stroke survivors may suffer from different levels of disabilities,which prevents them from returning to their daily activities.The decreased upper limb function is considered as the principal factor that makes the patients have less access to their activities of daily livings.Occupational therapy(OT),aiming to enhance patients'functional performances and improve the participation in daily activities is usually applied from the onset of stroke.However,conventional OT intervention still has several problems that need to be solved,such as the inefficient use of human resources,inadequate upper limb functional training and non-continuous OT services.To address these difficulties and improve the patients'functional outcomes,intelligent rehabilitation equipment is combined with OT through evaluation and intervention.Based on this combination,OT can be provided in health care facilities,home,and community for patients with all phases of stroke.This combination promotes the transition of OT to digitization,intelligence and homogenization.展开更多
基金supported by the National Natural Science Foundation of China,No.90307013,90707005,61534003the Science&Technology Pillar Program of Jiangsu Province in China,No.BE2013706
文摘Voluntary participation of hemiplegic patients is crucial for functional electrical stimulation therapy.A wearable functional electrical stimulation system has been proposed for real-time volitional hand motor function control using the electromyography bridge method.Through a series of novel design concepts,including the integration of a detecting circuit and an analog-to-digital converter,a miniaturized functional electrical stimulation circuit technique,a low-power super-regeneration chip for wireless receiving,and two wearable armbands,a prototype system has been established with reduced size,power,and overall cost.Based on wrist joint torque reproduction and classification experiments performed on six healthy subjects,the optimized surface electromyography thresholds and trained logistic regression classifier parameters were statistically chosen to establish wrist and hand motion control with high accuracy.Test results showed that wrist flexion/extension,hand grasp,and finger extension could be reproduced with high accuracy and low latency.This system can build a bridge of information transmission between healthy limbs and paralyzed limbs,effectively improve voluntary participation of hemiplegic patients,and elevate efficiency of rehabilitation training.
基金This work was supported by National Key R&D Program of China[grant numbers 2020YFC2004202].
文摘Stroke was one of the leading causes of death in the Chinese population in 2017.Most stroke survivors may suffer from different levels of disabilities,which prevents them from returning to their daily activities.The decreased upper limb function is considered as the principal factor that makes the patients have less access to their activities of daily livings.Occupational therapy(OT),aiming to enhance patients'functional performances and improve the participation in daily activities is usually applied from the onset of stroke.However,conventional OT intervention still has several problems that need to be solved,such as the inefficient use of human resources,inadequate upper limb functional training and non-continuous OT services.To address these difficulties and improve the patients'functional outcomes,intelligent rehabilitation equipment is combined with OT through evaluation and intervention.Based on this combination,OT can be provided in health care facilities,home,and community for patients with all phases of stroke.This combination promotes the transition of OT to digitization,intelligence and homogenization.
