A dry active bio signal electrode with an hybrid organic-inorganic interface material

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Patent Details

Publication Number
WO2011070403
PT104882
Priority Date
2009-12-11
Publication Date
2011-06-16
International Patent Classification
A61B5/0408
A61B5/0478
A61B5/0492

Figures

figura
(1): Flexible substrate, (2: 4) electronic components mounted on top of the substrate (3) button to add the probe to the tissue, (5) electrode connector to the power supply and signal acquisition.

Abstract

The invention presented here is an bio signal electrode that is characterized by the use of an organic-inorganic sol gel derived hybrid skin to electrode interface material. Furthermore the incorporation of a buffering and signal processing circuit on a flexible PCB makes this electrode less prone to fluctuating skin to electrode interfacial impedance and thus reducing noise artifacts. The organic-inorganic hybrid interface material has never been used before in this type of application, and by incorporating all the parts described here we invented a novel flexible dry active electrode. In summary this invention consist on a novel dry active electrode that in combination with the electronics described uses an organic-inorganic hybrid as a skin to electrode interface material.

Innovative aspects & main advantages

The invention presents the followings advantages when comparing with technologies present in nowadays market:
New dry active flexible electro of hybrid material;
Has embed electronics;
Works in different frequency ranges;
It can be easily produced in different formats according with intended use;
Is effective even with low amplitude signals.

Applications

The technology can be used by the biomedical industry and by clinical diagnosis and monitoring industry.

Inventors

Cunha, João; Carlos, Luis; Ribeiro, David

Our Inventors

foto Luís Carlos

Luís Carlos

Full professor

Applicant

Universidade de Aveiro
Instituto de Engenharia Electronica e Telemática de Aveiro

Groups Involved

G1 - Porous Materials and Nanosystems

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