Thoratec recalls HeartMate Mobile Power Units (MPUs) with serial numbers from 20226263 to 20307999. These units may experience electrical issues causing unintended shutdowns or alarms. If power is lost, the system may run for up to 15 minutes before stopping. Affected units were distributed between April 2024 and February 2025.
Left Ventricular Assist System Mobile Power Unit (MPU) may have electrical component that may cause MPU not to turn on, unprompted shut down, or turning off/restarting, may cause system controller to indicate Yellow Wrench or No External Power alarms. If MPU losses power, System Controller can support the pump up to 15 minutes, and if not switched to rechargeable batteries, pump may lose power.
Thoratec is recalling HeartMate Mobile Power Units (MPUs) that may have electrical issues causing unintended shutdowns or alarms. If the unit loses power, the system can run for up to 15 minutes before stopping. This could be dangerous for patients using left ventricular assist systems.
The Mobile Power Unit may have an electrical component that causes it to shut down unexpectedly or restart without warning. This can trigger yellow wrench or no external power alarms. If the unit loses power, the system can support the pump for up to 15 minutes, but if not switched to rechargeable batteries, the pump may lose power.
Patients using HeartMate 3 or II Left Ventricular Assist Systems with the recalled Mobile Power Units are most at risk. The recall affects units distributed between April 2024 and February 2025.
Check the serial number on the Mobile Power Unit. Affected units have serial numbers from 20226263 to 20307999. These units were distributed between April 2024 and February 2025 and are used with HeartMate 3 or II Left Ventricular Assist Systems.
Look for the serial number on the Mobile Power Unit to confirm if it's affected (20226263 to 20307999).
If the unit loses power, the system can run for up to 15 minutes before stopping. Switch to rechargeable batteries if the unit is not powered by an external source.
Thoratec is recalling HeartMate Mobile Power Units (MPUs) with serial numbers from 20226263 to 20307999. These units may have electrical issues causing unintended shutdowns or alarms.
Check the serial number on the Mobile Power Unit. Affected units have serial numbers from 20226263 to 20307999 and were distributed between April 2024 and February 2025.
If the unit loses power, the system can support the pump for up to 15 minutes. Switch to rechargeable batteries if the unit is not powered by an external source.
We’ve drafted a message you can send Thoratec to request your refund or repair — edit it as you like.
Subject: Recall Z-1570-2025 — Thoratec Thoratec Hello, I own a Thoratec that is covered by recall Z-1570-2025 from Thoratec. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
