Severity
Moderate
ModerateClass IITerminated
FDA Devices recall · Reported January 21, 2015
HeartStart MRx Monitor/Defibrillator; Model. Numbers: M3535A, M3536A, M3536J, M3536M, M3536MC, M3536M2, M3536M4, M3536M5, M3536M6 Product Usage: The HeartStart MRx is for use for the termination of ventricular tachycardia and ventricular fibrillation. The device is for use by qualified medical personnel trained in the operation of the device and qualified by training in basic life support, advanced cardiac support, or defibrillation. It must be used by or on the order of a physician.
Device may malfunction, which could cause therapy to be delayed, disabled, or delivered inadvertently.
Compiled from official public sources by the editorial team.
Verify with FDA Devices →
Philips Medical Systems, Inc. recalled HeartStart MRx Monitor/Defibrillator; Model. Numbers: M3535A, M3536A, M3536J, M3536M, M35… - a moderate-severity action.
HeartStart MRx Monitor/Defibrillator; Model. Numbers: M3535A, M3536A, M3536J, M3536M, M35… was recalled by Philips Medical Systems, Inc. in January 21, 2015. Reason: Device may malfunction, which could cause therapy to be delayed, disabled, or delivered inadvertently.. Check the official notice for the remedy. Verify recall #Z-0963-2015 with the FDA Devices before acting.
The recall
Philips Medical Systems, Inc. issued this moderate-severity FDA Devices recall-Device may malfunction, which could cause therapy to be delayed, disabled, or delivered inadvertently..
- Moderate
- severity level
- 74K units
- affected scope
- Class II
- classification
- January 21, 2015
- reported
Sourced from official FDA Devices enforcement records. Verify recall #Z-0963-2015 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This FDA Devices action (record #Z-0963-2015) was formally reported on January 21, 2015, with the manufacturer initiating the action on November 19, 2014. It is classified under Moderate severity (Class II), with a current status of Terminated. Philips Medical Systems, Inc. is listed as the recalling firm, operating out of Andover, MA. Federal records list the affected scope as 74,499 devices.
The documented reason for this recall is: Device may malfunction, which could cause therapy to be delayed, disabled, or delivered inadvertently. Distribution data in the federal record shows the product reached: Worldwide Distribution - US Nationwide. 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
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.
Affected scope
74,499 devices
Related Recalls
6
3 from same agency
Product description
HeartStart MRx Monitor/Defibrillator; Model. Numbers: M3535A, M3536A, M3536J, M3536M, M3536MC, M3536M2, M3536M4, M3536M5, M3536M6 Product Usage: The HeartStart MRx is for use for the termination of ventricular tachycardia and ventricular fibrillation. The device is for use by qualified medical personnel trained in the operation of the device and qualified by training in basic life support, advanced cardiac support, or defibrillation. It must be used by or on the order of a physician.
Reason for recall
Device may malfunction, which could cause therapy to be delayed, disabled, or delivered inadvertently.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Terminated |
| Recall number | Z-0963-2015 |
| Date reported | January 21, 2015 |
| Date initiated | November 19, 2014 |
| Recalling firm | Philips Medical Systems, Inc. |
| Firm location | Andover, MA |
| Affected scope | 74,499 devices |
| Distribution | Worldwide Distribution - US Nationwide |
Profile values are sourced directly from the official FDA Devices enforcement record. Source: U.S. Food and Drug Administration.
What to do with this recall
Match your product against the recall record, then act on the agency remedy.
- Check the recall number (Z-0963-2015) 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? ▼
HeartStart MRx Monitor/Defibrillator; Model. Numbers: M3535A, M3536A, M3536J, M3536M, M3536MC, M3536M2, M3536M4, M3536M5, M3536M6 Product Usage: The HeartStart MRx is for use for the termination of ventricular tachycardia and ventricular fibrillation. The device is for use by qualified medical personnel trained in the operation of the device and qualified by training in basic life support, advanced cardiac support, or defibrillation. It must be used by or on the order of a physician.. Recalled by Philips Medical Systems, Inc.. Units affected: 74,499 devices.
Why was this product recalled? ▼
Device may malfunction, which could cause therapy to be delayed, disabled, or delivered inadvertently.
Which agency issued this recall? ▼
This recall was issued by the FDA Devices on January 21, 2015. Severity: Moderate. Recall number: Z-0963-2015.
Where was the recalled product distributed? ▼
Distribution: Worldwide Distribution - US Nationwide.
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (Z-0963-2015) 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.
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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.