PlainRecalls
ModerateClass IITerminated

FDA Devices recall · Reported January 21, 2015

Merlin@home RF Remote Monitoring Transmitter, Model EX1150, with software versions 6.1M or 7.0. Usage:RF Remote Transmitter

Transmitter may initiate a software reset resulting in backup operation in some implanted St. Jude Medical Radio Frequency (RF) enabled Implantable Cardioverter Assura, Unify Assu…

Recall #
Z-0949-2015
Affected scope
257,456 units
Initiated
December 18, 2014
Compiled from official public sources by the editorial team.
Verify with FDA Devices →
View my saved recalls

St Jude Medical Cardiac Rhythm Management Division recalled Merlin@home RF Remote Monitoring Transmitter, Model EX1150, with software versions 6.1M o… - a moderate-severity action.

Merlin@home RF Remote Monitoring Transmitter, Model EX1150, with software versions 6.1M o… was recalled by St Jude Medical Cardiac Rhythm Management Division in January 21, 2015. Reason: Transmitter may initiate a software reset resulting in backup operation in some implanted St. Jude Medical Ra…. Check the official notice for the remedy. Verify recall #Z-0949-2015 with the FDA Devices before acting.

The recall

St Jude Medical Cardiac Rhythm Management Division issued this moderate-severity FDA Devices recall-Transmitter may initiate a software reset resulting in backup operation in some implanted St. Jude Medical Ra….

Moderate
severity level
257K units
affected scope
Class II
classification
January 21, 2015
reported

Sourced from official FDA Devices enforcement records. Verify recall #Z-0949-2015 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.

Recall Insight

This FDA Devices action (record #Z-0949-2015) was formally reported on January 21, 2015, with the manufacturer initiating the action on December 18, 2014. It is classified under Moderate severity (Class II), with a current status of Terminated. St Jude Medical Cardiac Rhythm Management Division is listed as the recalling firm, operating out of Sylmar, CA. Federal records list the affected scope as 257,456 units, a scale large enough to require multi-state distribution tracking.

The documented reason for this recall is: Transmitter may initiate a software reset resulting in backup operation in some implanted St. Jude Medical Radio Frequency (RF) enabled Implantable Cardioverter Assura, Unify Assura, and Quadra Assura ICDs and Assurity … Distribution data in the federal record shows the product reached: Worldwide Distribution: US (nationwide) and countries of: EU, Mideast, Canada, Australia/New Zealand, and Asia-Pacific (including Japan).. Distribution scope directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory.

Within the same product category the archive holds 6 closely related recalls, 3 from FDA Devices - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.

Medical Devices recalls over time

Where this recall sits in its category - 40,322 medical devices recalls on record

-1,00001,0002,0003,0004,000 20052008201120142017202020232026 1,248
Severity2487872426High severity (most serious)Moderate severityLow severity
Where this recall sits in the database

Of 101,704 recalls in the database, 24,878 are high severity, 72,426 moderate, and 4,400 low. This recall is classified moderate severity.

Counts reflect market size and reporting activity, not inherent danger, we do not rank products by risk from raw recall volume.

Severity

Moderate

Affected scope

257,456 units

Related Recalls

6

3 from same agency

Product description

Merlin@home RF Remote Monitoring Transmitter, Model EX1150, with software versions 6.1M or 7.0. Usage:RF Remote Transmitter

Reason for recall

Transmitter may initiate a software reset resulting in backup operation in some implanted St. Jude Medical Radio Frequency (RF) enabled Implantable Cardioverter Assura, Unify Assura, and Quadra Assura ICDs and Assurity and Allure Pacemakers.

Recall Profile

Structured summary of the FDA Devices recall record
Attribute Value
Agency U.S. Food and Drug Administration
Severity class Moderate (Class II)
Status Terminated
Recall number Z-0949-2015
Date reported January 21, 2015
Date initiated December 18, 2014
Recalling firm St Jude Medical Cardiac Rhythm Management Division
Firm location Sylmar, CA
Affected scope 257,456 units
Distribution Worldwide Distribution: US (nationwide) and countries of: EU, Mideast, Canada, Australia/New Zealand, and Asia-Pacific (including Japan).

Profile values are sourced directly from the official FDA Devices enforcement record. Source: U.S. Food and Drug Administration.

Scale of Impact

257,456 units units affected - multi-state distribution scale.

Regional (<10K units) -
Multi-state (10K – 100K units) -
Large-scale (100K – 1M units) ✓ This recall
Massive (≥1M units) -

Bracket cutoffs follow federal recall-disclosure conventions; bar widths scale linearly within each bracket. Source: PlainRecalls analysis of U.S. Food and Drug Administration filings.

What to do with this recall

Match your product against the recall record, then act on the agency remedy.

  • Check the recall number (Z-0949-2015) and product description against the item you own. Search the archive
  • Confirm the current status with FDA Devices before acting, recall details can be updated.
  • Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next

This page summarizes the official FDA Devices record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.

Frequently Asked Questions

What product was recalled?
Merlin@home RF Remote Monitoring Transmitter, Model EX1150, with software versions 6.1M or 7.0. Usage:RF Remote Transmitter. Recalled by St Jude Medical Cardiac Rhythm Management Division. Units affected: 257,456 units.
Why was this product recalled?
Transmitter may initiate a software reset resulting in backup operation in some implanted St. Jude Medical Radio Frequency (RF) enabled Implantable Cardioverter Assura, Unify Assura, and Quadra Assura ICDs and Assurity and Allure Pacemakers.
Which agency issued this recall?
This recall was issued by the FDA Devices on January 21, 2015. Severity: Moderate. Recall number: Z-0949-2015.
Where was the recalled product distributed?
Distribution: Worldwide Distribution: US (nationwide) and countries of: EU, Mideast, Canada, Australia/New Zealand, and Asia-Pacific (including Japan)..
How do I check if my product is affected by a recall?
Check the product description and recall number (Z-0949-2015) against your product. Visit the official FDA Devices website for the most current information. You can also use our Recall Checker tool to search by product name or brand.
Should I stop using a recalled medication or medical device?
Do not stop using a recalled medication or device without consulting your healthcare provider first, as abruptly discontinuing treatment could pose its own health risks. Your doctor can advise on alternatives or whether the recall applies to your specific product lot. Check the recall number and lot information against your product packaging.

Nearby Recalls in This Category

Other recalls in the same product category, useful for spotting patterns across the same defect class or manufacturer.

Compare this recall with Rowenta Recalls Cordless Vacuum Cleaners Due to Risk of Ser… →

Browse all Medical Devices recalls →

Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: FDA Devices, reported January 21, 2015. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.