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完全3D打印的干式EEG电极

Adele Tong1, Praneeth Perera1,2, Zhanna Sarsenbayeva1

  • 1School of Computer Science, The University of Sydney, Sydney, NSW 2006, Australia.

Sensors (Basel, Switzerland)
|June 10, 2023
PubMed
概括

完全3D打印的脑电图 (EEG) 电极是使用导电丝制造的. 这些可定制的电极展示了在没有后处理的情况下获得高质量的脑信号的潜力.

关键词:
通过3D打印打印3D打印.这是一个EEGEEGEEGEEGEEGEEGEEG.导电性灯光是指导导电的导电性灯光.干电极是一个干电极.

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科学领域:

  • 生物医学工程 生物医学工程
  • 神经科学是一个神经科学.
  • 材料科学 材料科学 材料科学

背景情况:

  • 脑电图 (EEG) 通过头皮电极记录大脑活动.
  • 技术的进步使得可以通过可穿戴设备进行持续的EEG监测.
  • 现有的电极缺乏针对不同用户需求和解剖学的定制.

研究的目的:

  • 研究制造完全3D打印的EEG电极的可行性.
  • 评估可定制3D打印电极的电气性能和信号采集能力.
  • 探索一种低成本,无后处理的方法,用于EEG电极制造.

主要方法:

  • 使用了低成本的设置和Multi3D Electrifi导电丝用于3D打印.
  • 测试了电极接触阻抗和相位变化与人造头皮幻影在各种频率 (20 Hz 10 kHz) 上.
  • 在参与者身上进行了初步功能测试,监测阿尔法脑波信号 (713 Hz).

主要成果:

  • 在所有配置中实现了低于550 Ω的接触阻抗和<-30°的相变.
  • 在不同引脚数量的电极之间,证明了最小的接触阻抗差异 (< 200 Ω).
  • 通过使用3D打印的电极,成功地确定了眼睛开放和眼睛关闭状态中的α大脑活动.

结论:

  • 完全3D打印的EEG电极可以在没有后处理的情况下使用导电丝制造.
  • 这些电极具有适合用于记录大脑信号的电气特性.
  • 这项技术为可定制,高质量和可访问的EEG电极解决方案提供了一个有前途的途径.