Wireless Device with Energy Management for Closed-Loop Deep Brain Stimulation (CLDBS)
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Citações na Scopus
1
Tipo de produção
article
Data de publicação
2023
Título da Revista
ISSN da Revista
Título do Volume
Editora
MDPI
Autores
NORDI, Tiago Matheus
GINJA, Gabriel Augusto
GOUNELLA, Rodrigo
COLOMBARI, Eduardo
MOREIRA, Melkzedekue M. Alcantara
AFONSO, Jose A. A.
MONTEIRO, Vitor
AFONSO, Joao L. L.
CARMO, Joao Paulo
Citação
ELECTRONICS, v.12, n.14, article ID 3082, 21p, 2023
Resumo
Deep brain stimulation (DBS) is an effective and safe medical treatment that improves the lives of patients with a wide range of neurological and psychiatric diseases, and has been consolidated as a first-line tool in the last two decades. Closed-loop deep brain stimulation (CLDBS) pushes this tool further by automatically adjusting the stimulation parameters to the brain response in real time. The main contribution of this paper is a low-size/power-controlled, compact and complete CLDBS system with two simultaneous acquisition channels, two simultaneous neurostimulation channels and wireless communication. Each channel has a low-noise amplifier (LNA) buffer in differential configuration to eliminate the DC signal component of the input. Energy management is efficiently done by the control and communication unit. The battery supports almost 9 h with both the acquisition and stimulation circuits active. If only the stimulation circuit is used as an Open Loop DBS, the battery can hold sufficient voltage for 24 h of operation. The whole system is low-cost and portable and therefore it could be used as a wearable device.
Palavras-chave
closed-loop deep brain stimulation (CLDBS), neurostimulation, implantable devices, internet of things (IoT), energy management
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