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可穿戴的高压兼容电流刺激器,用于恢复感官反
Riccardo Collu1, Roberto Paolini2, Martina Bilotta2
1Department of Electrical and Electronics Engineering, University of Cagliari, Piazza D'Armi, 09123 Cagliari, Italy.
Micromachines
|July 8, 2023
概括
这项研究介绍了一种低成本,可穿戴的截肢者的穿皮电神经刺激 (TENS) 装置. 便携式刺激器确保了一致的感官反,改善了日常生活中的应用.
科学领域:
- 生物医学工程 生物医学工程
- 神经修复品是一种神经修复品.
- 可穿戴技术可穿戴技术
背景情况:
- 通过皮肤进行的电神经刺激 (TENS) 显示出在截肢者中恢复触觉的潜力.
- 目前的TENS应用受到大型,非便携式实验室设备的限制.
- 需要适应性,可穿戴的仪器来提供可靠的感官刺激.
研究的目的:
- 开发一个低成本,可穿戴,高压兼容的电流刺激器,用于TENS.
- 为了使截肢者在日常生活中能够获得便携式和可靠的感官反.
- 使用COTS组件创建一个多通道TENS设备.
主要方法:
- 设计了一个基于微控制器的系统,配备了一个数字对模拟控制的电压电流转换器.
- 实现了一个四通道,高压合规的电流刺激器.
- 用于低成本,紧的PCB (115.9毫米×61毫米,52克) 的现成组件 (COTS).
主要成果:
- 刺激器可以向3.6kΩ的负载提供高达25mA的电压.
- 高压合规性允许刺激负载>10kΩ与5mA,适应阻抗变化.
- 在电阻负荷和类似皮肤的RC电路上证实了功能;证明了振幅调制.
结论:
- 开发的可穿戴TENS设备提供了一个便携式和适应性的解决方案,用于截肢者的感觉反.
- 这种基于COTS的系统解决了当前TENS仪器仪表在日常使用中的局限性.
- 该设备有望改善肢体截肢患者的生活质量.
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