Fmri compatible electrode and electrode placement techniques

A - Human Necessities – 61 – B

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A61B 5/04 (2006.01) A61B 5/0478 (2006.01)

Patent

CA 2354549

In a brainwave acquisition system, an electrode positioning system includes a stretchable elastic cap (10), soft rubber electrode holders (20a), conductive recording electrodes (not numbered), where the electrodes are composed of materials such as metal, plastic or carbon, and conductive lead wires (13) are composed of materials such as metal or carbon conductive materials. No ferromagnetic materials of any kind are used in the construction of the system, and therefore, the system will not introduce unwanted contamination of functional Magnetic Resonance Imaging (MRI) data.

Dans un système d'acquisition d'ondes cérébrales, un système de placement d'électrodes comprend un casque élastique étirable (10), des supports pour électrodes (20a) en caoutchouc souple, et des électrodes d'enregistrement conductrices (en nombre indéterminé). Les électrodes sont fabriquées à base de matériaux comme le métal, le plastique, ou le carbone, des fils de connexion conducteurs (13) étant quant à eux fabriqués à base de matériaux comme le métal ou des corps conducteurs carbonés. Aucune matière ferromagnétique n'est utilisée dans la construction de ce système, lequel ne peut donc provoquer une quelconque contamination des données obtenues par imagerie par résonance magnétique (IRM).

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