Importance

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Abstract

The measuring sensor for biomedical signals, above all electro-physiological quantities, in contrast to invasive needle and wire electrodes introduced into the body through the physiological 'skin' barrier, and in contrast to pure surface electrodes merely brought in contact with the body surface, has as its essential part one or more short needle points which penetrate into the uppermost largely cast-off cell layers of the horny skin and which are retained by means of a preferably flexible mounting. The technique which can be carried out by means of the measuring sensor can be called quasi-invasive, although the needle point does not pass through the skin. The measuring sensor is suitable for detecting and measuring the electrophysiological quantities and for electrical stimulation.

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First Claim