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Related Experiment Videos

Target lead--low threshold electrode.

M Djordjevic, P Stojanov, D Velimirovic

    Pacing and Clinical Electrophysiology : PACE
    |November 1, 1986
    PubMed
    Summary

    The Medtronic Target Tip lead (model 4011) demonstrated lower acute and chronic thresholds compared to other electrodes. This suggests programming for lower energy outputs while ensuring safety margins with this lead system.

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    Area of Science:

    • Neurosurgery
    • Biomedical Engineering
    • Medical Device Technology

    Background:

    • Implantable neurostimulation devices require electrodes for signal delivery.
    • Lead design significantly impacts stimulation thresholds and energy requirements.
    • Optimizing electrode performance is crucial for effective and safe neurostimulation therapy.

    Purpose of the Study:

    • To compare acute and chronic threshold measurements for three distinct electrode models.
    • To evaluate the performance of Medtronic Target Tip model 4011 against Medtronic Ring Tip model 6971 and Siemens-Elema Carbon Tip model 412S.
    • To determine the most efficient electrode for neurostimulation based on threshold performance.

    Main Methods:

    • Acute and chronic threshold measurements were performed for each electrode type.
    • Standardized testing protocols were employed for consistent data collection.
    • Statistical analysis was conducted to compare threshold values between the three electrode models.

    Main Results:

    • The Medtronic Target Tip model 4011 exhibited significantly lower acute stimulation thresholds compared to the other two models.
    • Lower thresholds were also observed for the Target Tip lead during chronic measurements.
    • Both acute and chronic data indicate superior performance of the Target Tip lead.

    Conclusions:

    • The Medtronic Target Tip lead (model 4011) offers superior performance in terms of lower stimulation thresholds.
    • These findings support programming neurostimulation devices to utilize lower output energies with the Target Tip lead.
    • Utilizing the Target Tip lead allows for maintaining adequate safety margins while optimizing energy delivery.

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