Electrode

G - Physics – 01 – N

Patent

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Details

G01N 27/30 (2006.01) G01N 27/416 (2006.01) A61B 5/0478 (2006.01) A61B 5/0492 (2006.01)

Patent

CA 2728252

An object of the present invention is to provide a microelectrode capable of recording action potentials of neurons as large-amplitude waveforms and being appropriate for multi-channeling. The electrode 1 of the present invention comprises a conductive linear core material 2, an insulating coating layer 3a with which the outer circumference of the linear core material is coated, and an extended part 3b formed by extending the end part of the coating layer on one tip side of the linear core material beyond the tip in the longitudinal direction of the linear core material, in which a cavity that opens in the extending direction is formed within the extended part.

L'invention porte sur une très petite électrode capable d'enregistrer un potentiel d'action neuronale sous la forme d'une forme d'onde à grande amplitude et appropriée pour une division en canaux multiples. L'électrode (1) comprend : un élément d'âme linéaire conducteur (2) ; une couche de revêtement isolant (3a) couvrant la périphérie extérieure de l'élément d'âme linéaire ; et une partie allongée (3b) formant de façon interne une cavité formée par allongement du bord de la couche de revêtement sur un côté d'extrémité de l'élément d'âme linéaire, dans la direction longitudinale de l'élément d'âme linéaire, de ladite extrémité vers le côté d'extrémité, et ouverte dans la direction allongée.

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