Disposable brain state monitoring flexible patch electrode

Abstract

The invention relates to a disposable brain state monitoring flexible patch electrode, which comprises a conductive wire, an electrode interface box, an IC (Integrated Circuit) card identification circuit, an IC card contact, an EEG ( Electroencephalogram ) acquisition and processing circuit, an Ag conductive layer contact, an electrode insert, an IC card control chip, a photographic flexible substrate film, a nano Ag circuit layer, an Ag / AgCl ion conductive coating, an insulation PE (Poly Ethylene) coating film, a collodion pad, a thorn pad and sponge. The electrode is suitable for monitoring the state of consciousness of brain, sleep or anesthesia state of a patient. The electrode adopts a film circuit printing process to coat Ag paste and Ag / AgCl paste on a photosensitive matrix material, and then the heat-curing treatment is carried out. A main electrode body is flexibly designed, and can freely bend and is not easily broken due to the strong flexibility of silver powder, and is more suitable for a human facial structure; meanwhile, the collodion pad ensures that the electrode is in contact with a human head more firmly and tightly, the sponge protects the Ag / AgCl ion conductive coating against wear, conductive paste is well accommodated and fixed, and the problems of baseline drift and waveform distortion caused by the loss of the conductive paste and the like are solved.

Description

technical field [0001] The invention relates to the technical field of research and application of electroencephalogram electrode materials and electrode processing techniques, in particular to new materials and new techniques for disposable electroencephalogram state monitoring electrodes. Background technique [0002] In the field of brain science research and clinical medicine, real-time monitoring of brain activity is often carried out. The most commonly used technical means is the collection and analysis of EEG. By analyzing the changes of EEG, the state of consciousness of the brain or the depth of anesthesia can be judged. Therefore, the accurate acquisition of EEG signals has become the primary issue, and the selection of electrodes is the key to ensure real-time and accurate acquisition of EEG signals. [0003] At present, most EEG electrodes are made of metal materials such as copper, gold, and silver, and non-metal or metal ion compound materials such as carbon, s...

AI Technical Summary

Problems solved by technology

However, the commonly used metal disc electrodes are cumbersome in terms of electrode fixing and electrode paste injection, especially when the number of electrodes required is large, the preparation time is long, and during use, the electrodes will be displaced due to human body movement or sweating, and even The phenomenon of falling off, these have prompted the research and development of some new electrodes with excellent effects and more convenient operation.

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