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Related Experiment Video

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A Low-Cost, Wireless, Multi-Channel Deep Brain Stimulation System for Rodents.

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    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
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    We developed a low-cost, wireless neurostimulator for rodent deep brain stimulation research. This compact device offers wireless control via a smartphone app, enabling flexible and affordable neuroscience studies.

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    Area of Science:

    • Neuroscience
    • Biomedical Engineering
    • Medical Devices

    Background:

    • Deep brain stimulation (DBS) is crucial for rodent research.
    • Current DBS systems can be expensive and cumbersome.
    • Need for accessible, wireless stimulation solutions.

    Purpose of the Study:

    • To develop a cost-effective, wireless neurostimulator for rodent DBS.
    • To enable remote configuration and monitoring of stimulation parameters.
    • To support high-throughput, parallelized research applications.

    Main Methods:

    • Designed a compact (43x24x15mm) off-the-shelf wireless neurostimulator.
    • Implemented impedance-independent current-mode stimulation with channel steering.
    • Integrated arbitrary waveform generation and configurable grounding.
    • Developed a smartphone app for wireless parameter control.
    • Included a stimulation compliance monitor for safety and data logging.

    Main Results:

    • The system supports monophasic, biphasic, and arbitrary waveforms.
    • Wireless configuration of amplitude, pulse width, frequency, and channel selection.
    • Compliance monitor reports real-time current, recharge, and electrode voltage.
    • Device offers over 40 hours of operation on a replaceable 400mAh battery.
    • Estimated build cost is under $50 per unit.

    Conclusions:

    • The developed wireless neurostimulator is a versatile and affordable tool for rodent DBS research.
    • Its ease of use and remote control capabilities facilitate complex experimental designs.
    • The low cost promotes widespread adoption and enables large-scale, parallelized studies.