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Conception d'un système pour l'acquisition sélective de signaux neurophysiologiques. Électrode multipolaire, prétraitement analogique et circuit d'amplification

Lionel Gouyet 1
1 DEMAR - Artificial movement and gait restoration
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : Research in the field of medical implants designed to improve the quality of life of patients suffering from various diseases. In this context functional electrical stimulation (FES), producing artificial contractions of muscle groups by electrical stimulation on nerve or muscles, is a solution used to circumvent some neural system failures. Project DEMAR (DEambulation et Mouvement ARtificiel), whose areas will be targeted at understanding and quantifying motor disorders on the one hand, and finding palliative solutions for these motor disabilities on the other hand, developed in 2005 by the PhD work of Jean-Denis TECHER, an implantable electrical stimulator. To control this stimulation system in a closed-loop, we have developed the first two parts of a recording chain of sensory signals. These parts are the multipolar cuff electrode with hexagonal distribution and a low-noise amplifier for calculating weighted average.
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Submitted on : Friday, March 6, 2009 - 4:32:14 PM
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Lionel Gouyet. Conception d'un système pour l'acquisition sélective de signaux neurophysiologiques. Électrode multipolaire, prétraitement analogique et circuit d'amplification. Informatique [cs]. Université Montpellier II - Sciences et Techniques du Languedoc, 2008. Français. ⟨tel-00366380⟩

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