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Related Experiment Video

Updated: Jun 4, 2026

Fabrication of High Contact-Density, Flat-Interface Nerve Electrodes for Recording and Stimulation Applications

Fabrication of High Contact-Density, Flat-Interface Nerve Electrodes for Recording and Stimulation Applications

Published on: October 4, 2016

A soft, scalable and adaptable multi-contact cuff electrode for targeted peripheral nerve modulation.

Valentina Paggi¹, Florian Fallegger¹, Ludovic Serex²

¹Laboratory for Soft Bioelectronic Interfaces, Neuro-X Institute, Ecole Polytechnique Fédérale de Lausanne (EPFL), Geneva, Switzerland.

Bioelectronic Medicine

|February 13, 2024

Summary

This study introduces a new soft, adaptable cuff electrode for nerve stimulation, offering stable, pressure-free contact and selective muscle activation, improving upon traditional fixed-size cuffs.

Keywords:

Cuff electrode Peripheral nerve interfaces Selective stimulation Soft bioelectronics

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Last Updated: Jun 4, 2026

Fabrication of High Contact-Density, Flat-Interface Nerve Electrodes for Recording and Stimulation Applications

Fabrication of High Contact-Density, Flat-Interface Nerve Electrodes for Recording and Stimulation Applications

Published on: October 4, 2016

Preparation of Peripheral Nerve Stimulation Electrodes for Chronic Implantation in Rats

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Published on: July 14, 2020

The Muscle Cuff Regenerative Peripheral Nerve Interface for the Amplification of Intact Peripheral Nerve Signals

The Muscle Cuff Regenerative Peripheral Nerve Interface for the Amplification of Intact Peripheral Nerve Signals

Published on: January 13, 2022

Area of Science:

Biomedical Engineering
Neuroscience
Materials Science

Background:

Cuff electrodes are used for neuromodulation in various disorders.
Standard cuffs cause issues like nerve compression and displacement due to poor adaptability.
Improved cuff design, materials, and implantation are needed.

Purpose of the Study:

To develop and evaluate a microfabricated, multi-channel, silicone-based soft cuff electrode.
To assess its adaptability, nerve contact, compression, stability, integration, and stimulation selectivity.
To compare its performance against standard fixed-size cuffs.

Main Methods:

Proposed a novel, easy-to-implant, size-adaptable soft cuff electrode.
Evaluated nerve-cuff contact, compression, locking stability, and long-term integration.
Tested stimulation selectivity in rat and pig sciatic nerve models.

Main Results:

The belt-like cuff ensured stable, pressure-free contact across variable nerve sizes.
Soft materials and adaptable design minimized scarring and demyelination after 6 weeks.
Multi-contact designs enabled selective stimulation and targeted muscle activation.

Conclusions:

The developed soft, adaptable cuffs offer a promising alternative to fixed-diameter cuffs.
This technology may enhance the clinical adoption of neuromodulation therapies.
The findings suggest improved patient outcomes in treating neurological disorders.