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首页> 外文期刊>Medical and Biological Engineering and Computing: Journal of the International Federation for Medical and Biological Engineering >Factors affecting electrode-gel-skin interface impedance in electrical impedance tomography.
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Factors affecting electrode-gel-skin interface impedance in electrical impedance tomography.

机译：在电阻抗层析成像中影响电极-凝胶-皮肤界面阻抗的因素。

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摘要

The magnitude, mismatch and temporal variations of the electrode-gel-skin interface impedance can cause problems in electrical impedance tomography (EIT) measurement. It is shown that at the high frequencies generally encountered in EIT the capacitive properties of the electrode interface, and especially those of the skin, are of primary importance. A wide range of techniques are reviewed that could possibly be used to minimise these problems. These techniques include the use of skin preparation, penetration enhancers, temperature and electrical impulses. Although several of these techniques appear very attractive, they are not without serious potential drawbacks. A combination of some of these techniques may well hold the key to success.
机译：电极-凝胶-皮肤界面阻抗的大小，失配和时间变化会导致电阻抗断层扫描（EIT）测量中出现问题。结果表明，在EIT中通常遇到的高频下，电极界面的电容特性尤其是皮肤的电容特性至关重要。审查了广泛的技术，可以将这些问题最小化。这些技术包括使用皮肤准备，渗透促进剂，温度和电脉冲。尽管这些技术中的几种看上去很有吸引力，但它们并非没有严重的潜在缺陷。这些技术中的某些结合很可能是成功的关键。

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