RecallGuide.ca
    Medical devicesUpdated Jan 3, 2026Official source

    Maestro 4000 Cardiac Ablation System (2020-01-13)

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    In plain language

    This recall involves the Maestro 4000 Cardiac Ablation System sold in Canada. It's being recalled because it may continue to deliver radiofrequency energy after the foot switch is released. Stop using the product and follow the return/repair steps in the official notice.

    What to do

    • Stop using the product immediately.
    • Check model and serial numbers.
    • Contact Boston Scientific Corporation for a firmware upgrade.

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    Affected products

    • Maestro 4000 Cardiac Ablation System

      Model: M00440000, M0044000D0, M0044000H0

      Lot: 1002180997, 412170449, 1117170669, 419180824, 907180934

    Why this matters

    Unintended energy delivery

    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: 1002180997, 412170449, 1117170669, 419180824, 907180934

    3. 3

      Check the model number

      Model numbers are typically on the product label or packaging.

      Affected models: M00440000, M0044000D0, M0044000H0

    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?

    Unintended energy delivery

    What should consumers do?

    Stop using the product immediately. Check model and serial numbers. Contact Boston Scientific Corporation for a firmware upgrade.

    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. Unintended energy delivery

    When was this product recalled?

    This product was recalled on December 24, 2020.