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Updated: May 14, 2026

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

Published on: October 20, 2021

Direct inductive stimulation for energy-efficient wireless neural interfaces.

Sohmyung Ha1, Massoud L Khraiche, Gabriel A Silva

  • 1Department of Bioengineering, University of California, San Diego, La Jolla, CA, USA.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|February 1, 2013
PubMed
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This study introduces a simplified wireless neural stimulator using basic components to avoid thermal damage. The novel design is validated through analytical models and in vitro testing on neural tissue.

Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Electrical Engineering

Background:

  • Advanced neural stimulators face challenges with power consumption and thermal effects, posing risks to surrounding neural tissue.
  • Existing designs often require complex circuitry, increasing power demands and heat generation.

Purpose of the Study:

  • To present a simplified architecture for wireless neural stimulators that minimizes power consumption and thermal effects.
  • To demonstrate the feasibility of eliciting action potentials in neurons using a novel, low-component-count design.

Main Methods:

  • Developed a simplified wireless neural stimulator architecture using an inductor, capacitor, and diode.
  • Created analytical models for the inductive link, electrode, electrolyte, and neuronal membrane dynamics.

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A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats
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A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats

Published on: November 7, 2017

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Last Updated: May 14, 2026

Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing
07:13

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

Published on: October 20, 2021

A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats
10:41

A Wireless, Bidirectional Interface for In Vivo Recording and Stimulation of Neural Activity in Freely Behaving Rats

Published on: November 7, 2017

  • Fabricated and performed in vitro testing of a flexible, implantable prototype on neural tissue.

    • Main Results:

    • The simplified architecture effectively elicits action potentials in neurons.
    • Analytical models support the design's feasibility and performance.
    • In vitro tests confirm the prototype's functionality and safety on neural tissue.

    Conclusions:

    • The proposed simplified architecture offers a viable solution for wireless neural stimulation with reduced power and thermal risks.
    • This design has the potential for safer and more efficient neural interfacing applications.