CLASS III ONGOING Device recall · Reported 4 Dec 2024 · FDA Enforcement Report

Merlin@home with the MerlinOnDemand capability Transmitter recalled

Abbott Medical is recalling Merlin@home with the MerlinOnDemand capability Transmitter, distributed nationwide in the US. The recall was initiated on 1 Oct 2024 and the FDA has classified it as Class III.

Check your package

Lot, batch or date codesModel Number: EX1150 UDI-DI code: Pending Serial Numbers: Pending
Quantity recalledPending

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

Recall details

Recall number
Z-0552-2025
FDA event ID
95557
Recalling firm
Abbott Medical, Sylmar, CA
Classification
Class III
Status
Ongoing
Recall initiated
1 Oct 2024
FDA classified
26 Nov 2024
Reported
4 Dec 2024
Type
Voluntary: Firm initiated
Customers notified by
Visit
Reason category
Device Malfunction

Timeline

1 Oct 2024Recall initiated by company
26 Nov 2024Classified by FDA+56 days
4 Dec 2024Published in enforcement report+8 days

Companies usually start a recall weeks before the FDA classifies and publishes it; the gap above is that lag.

Reason for recall

Due to heart transmitter not being able to upgrade to the current software version in the field after experiencing a power interruption during a prior over-the-wire software download.

Device recalls are issued when a component, software or design fault could cause the device to fail or give wrong readings. Many are corrections applied in the field rather than physical returns.

Product as listed by the FDA

Merlin@home with the MerlinOnDemand capability Transmitter REF EX1150 Merlin@home with the MerlinOnDemand" (MoD) capability is a transmitter configured for multiple patient use. It can receive information from an implantable heart device in unpaired mode. With MoD capability, the transmitter will retrieve full follow-up data or retrieve data for display on the Merlin.net" Patient Care Network (PCN). The MoD capability enables clinicians to do the following: . support remote care patients in emergency rooms and heart failure clinics . triage patients for in clinic follow-ups . support patients in a clinical setting with Merlin.net PCN

Where it was distributed

Worldwide - U.S. Nationwide distribution in the states of ALABAMA, ALASKA, ARKANSAS, CALIFORNIA, COLORADO, CONNECTICUT, DISTRICT OF COLUMBIA, FLORIDA, GEORGIA, ILLINOIS, INDIANA, KENTUCKY, MICHIGAN, MISSISSIPPI, MISSOURI, MONTANA, NEBRASKA, NEW JERSEY, NEW YORK, NORTH CAROLINA, OHIO, OREGON, PENNSYLVANIA, SOUTH CAROLINA, TENNESSEE, TEXAS, VIRGINIA, WASHINGTON and WISCONSIN. The country of Australia.

Nationwide AlaskaAlabamaArkansasCaliforniaColoradoConnecticutDistrict of ColumbiaFloridaGeorgiaIllinoisIndianaKentuckyMichiganMissouriMississippiMontanaNorth CarolinaNebraskaNew JerseyNew York

Questions about this recall

Is Merlin@home with the MerlinOnDemand capability Transmitter recalled?

Yes. Abbott Medical recalled Merlin@home with the MerlinOnDemand capability Transmitter on 1 Oct 2024. The recall is Class III and its status is Ongoing. Recall number Z-0552-2025.

Why was it recalled?

Due to heart transmitter not being able to upgrade to the current software version in the field after experiencing a power interruption during a prior over-the-wire software download.

Which lots are affected?

Model Number: EX1150 UDI-DI code: Pending Serial Numbers: Pending

Where was it sold?

Worldwide - U.S. Nationwide distribution in the states of ALABAMA, ALASKA, ARKANSAS, CALIFORNIA, COLORADO, CONNECTICUT, DISTRICT OF COLUMBIA, FLORIDA, GEORGIA, ILLINOIS, INDIANA, KENTUCKY, MICHIGAN, MISSISSIPPI, MISSOURI, MONTANA, NEBRASKA, NEW JERSEY, NEW YORK, NORTH CAROLINA, OHIO, OREGON, PENNSYLVANIA, SOUTH CAROLINA, TENNESSEE, TEXAS, VIRGINIA, WASHINGTON and WISCONSIN. The country of Australia.

What should I do if I have it?

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

What does Class III mean?

Class III recalls are for products unlikely to cause any adverse health consequence, usually labelling or quality issues.

Read the official FDA notice · Source record retrieved 21 Sep 2026. The FDA describes openFDA data as unvalidated; the official notice takes precedence. This page reports the record and gives no medical advice.

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