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Related Experiment Video

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Autonomous and Rechargeable Microneurostimulator Endoscopically Implantable into the Submucosa

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Powering Implantable and Ingestible Electronics.

So-Yoon Yang¹, Vitor Sencadas², Siheng Sean You³

¹Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

Advanced Functional Materials

|November 1, 2021

Summary

This summary is machine-generated.

Powering implantable and ingestible biomedical electronics is key for personalized healthcare. This review covers novel batteries, energy harvesting, and wireless power transfer for long-term in-body devices.

Keywords:

batteries energy harvesting energy transfer implantable electronics ingestible electronics

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Area of Science:

Biomedical Engineering
Materials Science
Electrical Engineering

Background:

Implantable and ingestible biomedical electronics offer advanced diagnostics and treatments.
Limited power source lifetime is a major hurdle for these devices.
Novel powering solutions are crucial for enabling long-term in-body applications.

Purpose of the Study:

To review the state-of-the-art powering technologies for biomedical electronics.
To analyze energy sources and harvesting/transfer methods for in-body devices.
To guide the development of safe, compact, and high-energy-density power sources.

Main Methods:

Review of current literature on powering technologies for implantable and ingestible electronics.
Analysis of power requirements and energy sources (mechanical, chemical, electromagnetic) within the human body.
Discussion of energy harvesting and wireless power transfer techniques.

Main Results:

Identified novel batteries, energy harvesting devices, and exogenous energy transfer as key powering technologies.
Analyzed various in-body energy sources and suitable harvesting/transfer methods.
Highlighted the need for safe, compact, and high volumetric energy density power solutions.

Conclusions:

Advancements in powering technologies are essential for long-term in-body biomedical electronics.
Effective energy harvesting and transfer are critical for overcoming power limitations.
Developing superior power sources will usher in a new era of personalized healthcare.