浸泡在介质中的双极刺激电极的阻抗测量

2018 EMF-Med 1st World Conference on Biomedical Applications of Electromagnetic Fields (EMF-Med) Pub Date : 2018-09-01 DOI:10.23919/EMF-MED.2018.8526008

A. Šarolić, Ivan Škalic, A. Deftu, D. Sapunar

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引用次数: 2

摘要

我们测量了双极刺激电极浸泡在两种感兴趣的电刺激介质中的阻抗:细胞外液(ECF)和脑脊液(CSF)。采用简便的方法，在10hz ~ 20khz的频率范围内测量了阻抗幅值和相位。阻抗值在1 kΩ范围内，具有电容性，频率依赖性强，对温度和介质层厚度有明显的依赖性。

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Impedance measurement of bipolar stimulation electrodes immersed in medium

We measured the impedance of bipolar stimulation electrode immersed in two media of interest for electrostimulation: extracellular fluid (ECF), and cerebrospinal fluid (CSF). Using a convenient method, the impedance magnitude and phase were measured within a frequency range from 10 Hz to 20 kHz. The impedance magnitudes were in 1 kΩ range, having capacitive character, a strong frequency dependence, and observable dependence on temperature and medium layer thickness.

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2018 EMF-Med 1st World Conference on Biomedical Applications of Electromagnetic Fields (EMF-Med)

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