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Toward complex multipolar selective neural stimulation

Thomas Guiho 1 Olivier Rossel 1 Guillaume Souquet 2 Hernández Alfredo 3 Laure Laporte 4 Christine Azevedo Coste 1 David Andreu 1 David Guiraud 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 : We introduce a new approach for the investigation of multipolar selective neural stimulation. We aim at comparing existing solutions from the literature and innovate in this field with advanced strategies. We have developed a multichannel stimulator, Stim'ND, which allows us to control independently the parameters of complex stimulation profiles of 12 channels for a large number of stimulating current configurations. In this paper, we present preliminary experimental results on a multi-contact cuff electrode, placed around the sciatic nerve of a rabbit 4 multipolar stimulation configurations have been tested and the achieved selectivity in terms of muscle activation investigated. The results are in accordance with the literature and enable us to validate our approach from theoretical and technological points of view. Furthermore the stimulator was designed following the norms and rules that apply to human active implantable medical device so that the technology is currently approved to be transferred to human trials.
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Submitted on : Thursday, December 3, 2015 - 6:33:23 PM
Last modification on : Friday, August 5, 2022 - 11:49:13 AM
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Thomas Guiho, Olivier Rossel, Guillaume Souquet, Hernández Alfredo, Laure Laporte, et al.. Toward complex multipolar selective neural stimulation. NER: Neural Engineering, Apr 2015, Montpellier, France. pp.569-572, ⟨10.1109/NER.2015.7146686⟩. ⟨lirmm-01237858⟩



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