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Development on an implantable system for relieving phantom pain using transversal intrafascicular electrodes

Abstract : Phantom limb pain develops in the majority of amputees. The underlying mechanisms are not yet com- pletely understood and thus, no treatment is fully effective. Based on recent studies with electrical stimu- lation, we hypothesize that electrical stimulation of afferent nerves with a sufficiently high spatial resolu- tion might alleviate phantom limb pain by giving sensory input to the patient. We present our system con- cepts in general and focus here on a novel electrode concept to selectively interface small nerve fiber ensembles on the fascicular level over the complete cross section of a peripheral nerve: the transversal intrafascicular multichannel nerve electrode (TIME). Electrodes have been developed supported by elec- trical and mechanical simulations of the interface and evaluated with respect to their functional selectivity on peripheral nerves in two animal models.
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-00649385
Contributor : David Guiraud <>
Submitted on : Wednesday, December 7, 2011 - 6:07:33 PM
Last modification on : Thursday, May 14, 2020 - 6:58:33 PM

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  • HAL Id : lirmm-00649385, version 1

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Thomas Stieglitz, Tim Boretius, Xavier Navarro, Jordi Badia, David Guiraud, et al.. Development on an implantable system for relieving phantom pain using transversal intrafascicular electrodes. Technically Assited Rehabilitation, Mar 2011, Berlin, Germany. pp.4. ⟨lirmm-00649385⟩

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