RecallGuide.ca
    Medical devicesUpdated Jan 3, 2026NeurosignOfficial source

    Neurosign V4 Intraoperative Nerve Monitor recall in Canada: signal loss

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    In plain language

    This recall involves the Neurosign V4 Intraoperative Nerve Monitor sold in Canada. It's being recalled because pre-amplifier cables may be damaged, leading to a loss of the audio signal or system recognition issues. Stop using the product and follow the return/repair steps in the official notice.

    What to do

    • Stop using the product immediately.
    • Check model numbers if provided.
    • Return, repair, or dispose of it as instructed.

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    Affected products

    • Neurosign V4 Intraoperative Nerve Monitor

      Model: 4230-00

      Lot: All lots

    Why this matters

    Loss of audio signal or system recognition issues

    Do I have this product?

    This recall only applies to specific products. Follow the steps below to check.

    1. 1

      Check the product name

      Make sure your product name matches one of the affected products listed above.

    2. 2

      Check the lot number

      Lot numbers identify specific production batches.

      Affected lots: All lots

    3. 3

      Check the model number

      Model numbers are typically on the product label or packaging.

      Affected models: 4230-00

    If your product matches one or more of the details above, it may be affected by this recall.

    If your product does not match these details, it is not affected by this recall.

    When in doubt, always check the official notice.

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    Frequently Asked Questions

    Why was this product recalled?

    Loss of audio signal or system recognition issues

    What should consumers do?

    Stop using the product immediately. Check model numbers if provided. Return, repair, or dispose of it as instructed.

    Where was the product sold?

    This product was sold in Canada. For specific retailers or distribution areas, please check the official recall notice linked on this page.

    Is there a health risk?

    Yes, there may be a health risk. Loss of audio signal or system recognition issues

    When was this product recalled?

    This product was recalled on November 2, 2018.

    Is the Neurosign brand affected by this recall?

    Yes, Neurosign products are affected by this recall. This recall involves the Neurosign V4 Intraoperative Nerve Monitor sold in Canada. It's being recalled because pre-amplifier cables may be damaged, leading to a loss of the audio signal or system recognition issues. Stop using the product and follow the return/repair steps in the official notice.