A customizable multi-channel stimulator for cortical neuroprosthesis
Abstract
A simple architecture for a fully customizable cortical stimulator is presented. The whole device uses a 3D penetrating multielectrode array, which will be implanted in primary visual cortex (V1), offering different signal amplitude and waveforms sets. The system has been proved for injecting current (charge) in a safe, secure and precise way during acute animal experimentation. The architecture is based on a transistor based current injection stage and a microprocessor circuit with programmable waveforms. The dynamic characteristic of the stimulator provide the possibility to adapt the current level to the different working electrodes and tissue impedances. The system is specific tailored for a cortical visual neuroprosthesis for the blind.
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Cortical implants like the Utah Electrode Array and customized multi-channel stimulator for cortical visual neuroprosthesis can be used for blinds.
“Additionally, some cortical implants like the Utah Electrode Array and the customized multi-channel stimulator for a cortical visual neuroprosthesis can be used for blinds (Ferrandez et al., 2007).”
From Selectivity and Longevity of Peripheral-Nerve and Machine Interfaces: A Review. (2017) · cites this paper as Ferrandez et al., 2007
Cites
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Cortical implants for the blind
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A Multiplexed Current Source Portable Stimulator Architecture for a Visual Cortical Neuroprosthesis
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“Additionally, some cortical implants like the Utah Electrode Array and the customized multi-channel stimulator for a cortical visual neuroprosthesis can be used for blinds (Ferrandez et al., 2007).”
Bionic eye review - An update.
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Modeling and Simulations in Time Domain of a Stimulation Set-up for Cortical Applications
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Self-citationCurrent Advances in the Design of Retinal and Cortical Visual Prostheses
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Ordóñez, B. D. C. M., Garrigós, J., Martínez, J. J., Vicente, J. M. F., Ingallina, F., & Bonomini, M. P. (2026) · Integrated Computer-Aided Engineering · doi:10.1177/10692509261417117
- Authors
- Ferrandez, J. M., Liano, E., Bonomini, P., Martinez, J. J., Toledo, J., & Fernandez, E.
- Affiliations
- Universitat de Miguel Hernández d'Elx (ES)
- Universidad Politécnica de Cartagena (ES)
- Venue
- 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
- Publisher
- IEEE
- Published
- 2007-08
- Volume
- 2007
- Pages
- 4707-4710
- ISSN
- 1557-170X (ISSN-L)
- OpenAlex
- W2125688826
- Cited by
- 14
- References
- 9
- Citations by year
- 2026: 1 · 2023: 1 · 2022: 4 · 2021: 1 · 2020: 1 · 2018: 1 · 2017: 2 · 2016: 1 · 2015: 1 · 2014: 1
- FWCI
- 0.00
- Type
- conference paper
- Language
- en
- Open access
- closed
- Locations
- Conference proceedings (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
- Physical Sciences › Engineering › Biomedical Engineering › Analog and Mixed-Signal Circuit Design
- Life Sciences › Neuroscience › Cognitive Neuroscience › EEG and Brain-Computer Interfaces
- Keywords
- cortical stimulation, neural prostheses, visual prosthesis, microelectrode arrays, primary visual cortex, current injection, microprocessor control, blind rehabilitation
- MeSH terms
- Brain Diseases, Cerebral Cortex, Electric Stimulation, Equipment Design, Humans, Microscopy, Electron
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