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Related Experiment Video

Updated: Oct 9, 2025

Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing

Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing

Published on: October 20, 2021

Injectable wireless microdevices: challenges and opportunities.

Adam Khalifa¹, Sunwoo Lee², Alyosha Christopher Molnar²

¹Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA. akhalifa1@mgh.harvard.edu.

Bioelectronic Medicine

|December 23, 2021

Summary

This summary is machine-generated.

Injectable wireless microdevices, smaller than 0.5mm, offer a stable and safe way to monitor health and interface with the nervous system, transforming healthcare.

Keywords:

Autonomous microsystems Injectable Microscale Minimally-invasive Neural interfaces Wireless

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Last Updated: Oct 9, 2025

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Area of Science:

Biomedical Engineering
Materials Science
Neuroscience

Background:

Significant advancements in wireless implantable medical devices over three decades.
Current devices offer physiological monitoring and nervous system interfacing, transforming healthcare.
Need for more stable, safe, effective, and distributed interfaces drives innovation.

Purpose of the Study:

To review state-of-the-art fully injectable wireless microdevices.
To discuss injection techniques for these microdevices.
To address current challenges and future opportunities in this field.

Main Methods:

Review of recent advances in micro/nanofabrication techniques.
Analysis of novel powering and communication methodologies.
Examination of device miniaturization to sub-millimeter scales.

Main Results:

Development of wireless implantable devices at the scale of dust (<0.5mm).
Enabling full injection of devices with minimal insertion damage.
Progress in creating stable, safe, and effective microscale interfaces.

Conclusions:

Injectable wireless microdevices represent a new class of implantable devices.
These microdevices have the potential for widespread application in healthcare.
Further development is needed to overcome current challenges and realize future opportunities.