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Low-Noise ASIC and New Layout of Multipolar Electrode for Both High ENG Selectivity and Parasitic Signal Rejection

Serge Bernard 1 Lionel Gouyet 2 Guy Cathébras 2 Fabien Soulier 2 David Guiraud 3, 2 Yves Bertrand 1
1 SysMIC - Conception et Test de Systèmes MICroélectroniques
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
2 DEMAR - Artificial movement and gait restoration
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : In order to extract and separate Action Potential (AP) signals according to their nerve fascicule origins, we propose a new architecture of a multipolar cuff electrode and an optimized integrated acquisition circuit. The proposed electrode has a specific layout of a large number of poles in order to both reject parasitic signals, such as electromyogram and provide a maximum of spatial selectivity for ENG signals. For one channel to be recorded, we need to consider seven recording sites. A low-noise integrated circuit (ASIC) has been designed in order to perform this first step of analog processing on each set of seven considered poles
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Submitted on : Monday, December 10, 2007 - 11:39:47 AM
Last modification on : Wednesday, May 27, 2020 - 8:28:03 PM
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Serge Bernard, Lionel Gouyet, Guy Cathébras, Fabien Soulier, David Guiraud, et al.. Low-Noise ASIC and New Layout of Multipolar Electrode for Both High ENG Selectivity and Parasitic Signal Rejection. ICECS'07: International Conference on Electronics, Circuits and Systems, Dec 2007, Marrakech, Morocco, Morocco. pp.A4L-A. ⟨lirmm-00195231⟩

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