Biomechanical MEMS Electrostatic Energy Harvester for Pacemaker Application: a study of optimal interface circuit

The leadless pacemaker is the most recent pacemaker concept, developed to overcome conventional pacemakers' limitations. This technology offers better comfort to the patients, lower risk from implantation, and higher reliability. However, these devices suffer from limited battery lifetime due t...

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Bibliographic Details
Published inIEEE transactions on biomedical engineering Vol. 71; no. 4; pp. 1 - 12
Main Authors Ambia, Francisco, Isac, Nathalie, Harouri, Abdelmounaim, Bouville, David, Lefeuvre, Elie
Format Journal Article
LanguageEnglish
Published United States IEEE 01.04.2024
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Institute of Electrical and Electronics Engineers
Subjects
Batteries
Biomechanical Energy Harvesting
Biomechanics
Capacitance
Energy harvesting
Engineering Sciences
Equipment Design
Glass
Heart
Humans
Implantation
Lead
Leadless pacemaker
MEMS
Micro-Electrical-Mechanical Systems
Microelectromechanical systems
Micromechanical devices
Pacemaker, Artificial - adverse effects
Pacemakers
Parasitics (electronics)
Reproducibility of Results
Silicon
Static Electricity
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Summary:The leadless pacemaker is the most recent pacemaker concept, developed to overcome conventional pacemakers' limitations. This technology offers better comfort to the patients, lower risk from implantation, and higher reliability. However, these devices suffer from limited battery lifetime due to the extreme miniaturization required for implantation inside the heart cavities. This work proposes extending the battery lifetime by converting biomechanical heartbeat energy into electricity using an innovative electrostatic MEMS energy harvesting device. Based on theoretical models and experiments, we propose a general approach to choosing the optimal interface circuit which considers the parasitic capacitance of the circuit, as it is an imperfection that significantly affects the power performance. According to the energy consumed by the last generation commercial leadless pacemakers, the proposed MEMS solution with optimal interface circuit experimentally showed the possibility of extending the pacemaker battery lifetime by up to 44%.
Bibliography:ObjectType-Article-1
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ISSN:0018-9294
1558-2531
DOI:10.1109/TBME.2023.3327957