Rechargeable wireless EMG sensor for prosthetic control.
Rechargeable wireless EMG sensor for prosthetic control.
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用于假肢控制的可充电无线肌电传感器。
DOI：
10.1109/iembs.2010.5626202
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发表时间：
2010
期刊：
影响因子：
--
通讯作者：
Hedin,DS
中科院分区：
文献类型：
--
作者：
Lichter,PA;Lange,EH;Riehle,TH;Anderson,SM;Hedin,DS
现代肌电假肢中的表面电极通常嵌入假肢接受腔中并与皮肤接触。这些电极检测并放大残肢肌肉自主收缩产生的肌肉动作电位，并用于控制假肢的运动和功能。存在许多与外部电极相关的与性能相关的缺陷，包括维持足够的肌电图（EMG）信号幅度、外部噪声采集以及适当的电极接口维护，这些缺陷预计将使用所提出的植入传感器得到改进或消除。这项研究旨在研究用完全植入式肌电传感器取代外部电极的设计组件，其中包括与假肢的无线接口。这种植入技术将使假肢制造商能够提供性能、功能和患者舒适度更高的产品。来自肌内记录电极的肌电信号被放大并无线传输到假肢中的接收器。使用可充电电池和来自假肢的感应能量传输链路来维持植入物的电力。开发了一个完整的实验系统，以证明可以设计出满足植入的尺寸、功率和性能要求的无线生物电传感器。
Surface electrodes in modern myoelectric prosthetics are often embedded in the prosthesis socket and make contact with the skin. These electrodes detect and amplify muscle action potentials from voluntary contractions of the muscle in the residual limb and are used to control the prosthetic's movement and function. There are a number of performance-related deficiencies associated with external electrodes including the maintenance of sufficient electromyogram (EMG) signal amplitude, extraneous noise acquisition, and proper electrode interface maintenance that are expected to be improved or eliminated using the proposed implanted sensors. This research seeks to investigate the design components for replacing external electrodes with fully-implantable myoelectric sensors that include a wireless interface to the prosthetic limbs. This implanted technology will allow prosthetic limb manufacturers to provide products with increased performance, capability, and patient-comfort. The EMG signals from the intramuscular recording electrode are amplified and wirelessly transmitted to a receiver in the prosthetic limb. Power to the implant is maintained using a rechargeable battery and an inductive energy transfer link from the prosthetic. A full experimental system was developed to demonstrate that a wireless biopotential sensor can be designed that meets the requirements of size, power, and performance for implantation.