Severity
Moderate
FDA Devices recall · Reported November 26, 2025
Due to potential corrosion issues associated with the Backup Battery cable connector that may cause a Backup Battery Fault Alarm.
Thoratec LLC recalled Brand Name: HeartMate Product Name: HeartMate II¿ Controller (standalone) Model/Catalog… - a moderate-severity action.
Brand Name: HeartMate Product Name: HeartMate II¿ Controller (standalone) Model/Catalog… was recalled by Thoratec LLC in November 26, 2025. Reason: Due to potential corrosion issues associated with the Backup Battery cable connector that may cause a Backup …. Check the official notice for the remedy. Verify recall #Z-0508-2026 with the FDA Devices before acting.
The recall
Thoratec LLC issued this moderate-severity FDA Devices recall-Due to potential corrosion issues associated with the Backup Battery cable connector that may cause a Backup ….
Sourced from official FDA Devices enforcement records. Verify recall #Z-0508-2026 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
This FDA Devices action (record #Z-0508-2026) was formally reported on November 26, 2025, with the manufacturer initiating the action on October 9, 2025. It is classified under Moderate severity (Class II), with a current status of Ongoing. Thoratec LLC is listed as the recalling firm, operating out of Pleasanton, CA. Federal records list the affected scope as 2424.
The documented reason for this recall is: Due to potential corrosion issues associated with the Backup Battery cable connector that may cause a Backup Battery Fault Alarm. Distribution data in the federal record shows the product reached: Worldwide - US Nationwide distribution including in the states of AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NE, NJ, NM, NY, OH, OK, OR, PA, SC, TN, TX, UT, V…. 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.
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.
Severity
Moderate
Affected scope
2424
Related Recalls
6
3 from same agency
Brand Name: HeartMate Product Name: HeartMate II¿ Controller (standalone) Model/Catalog Number: 106017, HeartMate II¿ Pocket Controller, US; 106762, HeartMate II¿ Pocket Controller, US; 107801, HeartMate II¿ Pocket Controller Software Version: N/A Product Description: The HeartMate II System Controller is a small computer that controls and monitors system operation. It sends power and operating signals to the Left Ventricular Assist Device and adjusts device operation to maintain programmed levels of cardiac support. The System Controller identifies alarm conditions and initiates Hazard and Advisory alarms. It records device performance and alarm data, and transfers the information to the HeartMate Touch Communication System. Component: Yes, HeartMate II¿ LVAS Implant Kit
Due to potential corrosion issues associated with the Backup Battery cable connector that may cause a Backup Battery Fault Alarm.
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Ongoing |
| Recall number | Z-0508-2026 |
| Date reported | November 26, 2025 |
| Date initiated | October 9, 2025 |
| Recalling firm | Thoratec LLC |
| Firm location | Pleasanton, CA |
| Affected scope | 2424 |
| Distribution | Worldwide - US Nationwide distribution including in the states of AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NE, NJ, NM, NY, OH, OK, OR, PA, SC, TN, TX, UT, VA, WA, WI, WV and th… |
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.
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.
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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 November 26, 2025. 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.