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Prolonged energy harvesting for ingestible devices

Author(s)
Nadeau, Phillip; El-Damak, Dina Reda; Glettig, Dean; Kong, Yong Lin; Mo, Stacy H.; Cleveland, Cody; Booth, Lucas; Roxhed, Niclas; Langer, Robert S; Chandrakasan, Anantha P; Traverso, Carlo Giovanni; ... Show more Show less
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Abstract
Ingestible electronics have revolutionized the standard of care for a variety of health conditions. Extending the capacity and safety of these devices, and reducing the costs of powering them, could enable broad deployment of prolonged-monitoring systems for patients. Although previous biocompatible power-harvesting systems for in vivo use have demonstrated short (minute-long) bursts of power from the stomach, little is known about the potential for powering electronics in the longer term and throughout the gastrointestinal tract. Here, we report the design and operation of an energy-harvesting galvanic cell for continuous in vivo temperature sensing and wireless communication. The device delivered an average power of 0.23 μW mm⁻² of electrode area for an average of 6.1 days of temperature measurements in the gastrointestinal tract of pigs. This power-harvesting cell could provide power to the next generation of ingestible electronic devices for prolonged periods of time inside the gastrointestinal tract.
Date issued
2017-02
URI
http://hdl.handle.net/1721.1/111827
Department
Massachusetts Institute of Technology. Institute for Medical Engineering & Science; Massachusetts Institute of Technology. Department of Chemical Engineering; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Media Laboratory; Massachusetts Institute of Technology. Microsystems Technology Laboratories; Koch Institute for Integrative Cancer Research at MIT
Journal
Nature Biomedical Engineering
Publisher
Nature Publishing Group
Citation
Nadeau, Phillip et al. “Prolonged Energy Harvesting for Ingestible Devices.” Nature Biomedical Engineering 1, 3 (February 2017): 0022 © 2017 Macmillan Publishers Limited, part of Springer Nature
Version: Author's final manuscript
ISSN
2157-846X

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