Severity
Moderate
ModerateClass IITerminated
FDA Devices recall · Reported April 19, 2017
Merge Hemo software. The firm name on the labeling is Merge Healthcare, Hartland, WI. Merge Hemo monitors, measures, and records physiologic data from a human patient undergoing a cardiac catheterization procedure
Use of the software may show an incorrect value to the user when viewing the Fractional Flow Reserve (FFR) results during recording.
Compiled from official public sources by the editorial team.
Verify with FDA Devices →
Merge Healthcare, Inc. recalled Merge Hemo software. The firm name on the labeling is Merge Healthcare, Hartland, WI. M… - a moderate-severity action.
Merge Hemo software. The firm name on the labeling is Merge Healthcare, Hartland, WI. M… was recalled by Merge Healthcare, Inc. in April 19, 2017. Reason: Use of the software may show an incorrect value to the user when viewing the Fractional Flow Reserve (FFR) re…. Check the official notice for the remedy. Verify recall #Z-1778-2017 with the FDA Devices before acting.
The recall
Merge Healthcare, Inc. issued this moderate-severity FDA Devices recall-Use of the software may show an incorrect value to the user when viewing the Fractional Flow Reserve (FFR) re….
- Moderate
- severity level
- Class II
- classification
- April 19, 2017
- reported
Sourced from official FDA Devices enforcement records. Verify recall #Z-1778-2017 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This FDA Devices action (record #Z-1778-2017) was formally reported on April 19, 2017, with the manufacturer initiating the action on April 4, 2016. It is classified under Moderate severity (Class II), with a current status of Terminated. Merge Healthcare, Inc. is listed as the recalling firm, operating out of Hartland, WI. Federal records list the affected scope as 24 sites potentially have the affected versions.
The documented reason for this recall is: Use of the software may show an incorrect value to the user when viewing the Fractional Flow Reserve (FFR) results during recording. Distribution data in the federal record shows the product reached: Nationwide Distribution including AZ, CA, CO, FL, GA, KS, LA, MI, MO, OH, OK, TN, TX, VA, WA, WI, and WV.. 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
24 sites potentially have the affected versions
Related Recalls
6
3 from same agency
Product description
Merge Hemo software. The firm name on the labeling is Merge Healthcare, Hartland, WI. Merge Hemo monitors, measures, and records physiologic data from a human patient undergoing a cardiac catheterization procedure
Reason for recall
Use of the software may show an incorrect value to the user when viewing the Fractional Flow Reserve (FFR) results during recording.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Terminated |
| Recall number | Z-1778-2017 |
| Date reported | April 19, 2017 |
| Date initiated | April 4, 2016 |
| Recalling firm | Merge Healthcare, Inc. |
| Firm location | Hartland, WI |
| Affected scope | 24 sites potentially have the affected versions |
| Distribution | Nationwide Distribution including AZ, CA, CO, FL, GA, KS, LA, MI, MO, OH, OK, TN, TX, VA, WA, WI, and WV. |
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-1778-2017) 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? ▼
Merge Hemo software. The firm name on the labeling is Merge Healthcare, Hartland, WI. Merge Hemo monitors, measures, and records physiologic data from a human patient undergoing a cardiac catheterization procedure. Recalled by Merge Healthcare, Inc.. Units affected: 24 sites potentially have the affected versions.
Why was this product recalled? ▼
Use of the software may show an incorrect value to the user when viewing the Fractional Flow Reserve (FFR) results during recording.
Which agency issued this recall? ▼
This recall was issued by the FDA Devices on April 19, 2017. Severity: Moderate. Recall number: Z-1778-2017.
Where was the recalled product distributed? ▼
Distribution: Nationwide Distribution including AZ, CA, CO, FL, GA, KS, LA, MI, MO, OH, OK, TN, TX, VA, WA, WI, and WV..
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (Z-1778-2017) 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 April 19, 2017. 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.