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Título:

Trends in volumetric-energy efficiency of implantable neurostimulators : A review from a circuits and systems perspective.

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Autor:

Martínez Bentancor, Santiago
Veirano Núñez, Francisco
Constandinou, Timothy G.
Silveira, Fernando

Tutor:

Tipo de documento:

Preprint

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Palabras clave:

Batteries
Pain
Diseases
Medical treatment
Sleep apnea
Medical devices
Sensors
Neurostimulators
Neuromodulation
Implantable medical devices
Neural interface
Energy efficiency
Miniaturisation
Batt

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Año de publicación:

2023

Contenido:

Resumen:

This paper presents a comprehensive review of state-of-the-art, commercially available neurostimulators. We analyse key design parameters and performance metrics of 45 implantable medical devices across six neural target categories: deep brain, vagus nerve, spinal cord, phrenic nerve, sacral nerve and hypoglossal nerve. We then benchmark these alongside modern cardiac pacemaker devices that represent a more established market. This work studies trends in device size, electrode number, battery technology (i.e., primary and secondary use and chemistry), power consumption and longevity. This information is analysed to show the course of design decisions adopted by industry and identifying opportunity for further innovation. We identify fundamental limits in power consumption, longevity and size as well as the interdependencies and trade-offs. We propose a figure of merit to quantify volumetric efficiency within specific therapeutic targets, battery technologies/capacities, charging capabilities and electrode count. Finally, we compare commercially available implantable medical devices with recently developed systems in the research community. We envisage this analysis to aid circuit and system designers in system optimisation and identifying innovation opportunities, particularly those related to low power circuit design techniques.

Descripción:

Publicado en IEEE Transactions on Biomedical Circuits and Systems, vol. 17, no 1, feb 2023, pp 2-20

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EN:

Financiadores:

CSIC - Universidad de la República.

Citación:

Martínez Bentancor, S., Veirano Núñez, F., Constandinou, T. y otros. "Trends in volumetric-energy efficiency of implantable neurostimulators : A review from a circuits and systems perspective" [Preprint]. Publicado en: IEEE Transactions on Biomedical Circuits and Systems. 2023, vol. 17, no 1, pp 2-20. DOI: 10.1109/TBCAS.2022.3228895

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URI:

https://ieeexplore.ieee.org/document/9984934
https://hdl.handle.net/20.500.12008/37218

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ISSN:

1932-4545

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Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)

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