RELIANCE 4-FRONT, endocardial cardioversion/defibrillation and pace/sense lead, Permanent Defibrillator Electrodes; Mode
Summary
The FDA issued a Class I for RELIANCE 4-FRONT, endocardial cardioversion/defibrillation and pace/sense lead, by Boston Scientific Corporation. Reason: Affected lead models may experience gradually rising LVSI measurements in association with calcification of the defibrillation lead coils. The issue m.
Details
Source
Device Recall
External ID
Z-2327-2025
Action Date
2025-08-27
Status
Ongoing
Category
device
Product Description
RELIANCE 4-FRONT, endocardial cardioversion/defibrillation and pace/sense lead, Permanent Defibrillator Electrodes; Model Nos. 0654, 0655, 0657, 0658, 0682, 0683, 0685, 0686, 0692, 0693, 0695, 0696
Lot/Code Info: Model 0657 UDI-DI 00802526560934; Model 0682 UDI-DI 00802526560958; Model 0683 UDI-DI 00802526560965; Model 0685 UDI-DI 00802526560972; Model 0686 UDI-DI 00802526560989; Model 0692 UDI-DI 00802526519017 00802526560996 00802526568664 00802526568688; Model 0693 UDI-DI 00802526518850 00802526519055 00802526537769 00802526561009 00802526568701; Model 0695 UDI-DI 00802526519093 00802526561016; Model 0696 UDI-DI 00802526519987 00802526561207 00802526568831
Quantity Affected: 247,702 US; 344,670 OUS
Reason for Recall
Affected lead models may experience gradually rising LVSI measurements in association with calcification of the defibrillation lead coils. The issue may lead to early lead replacement. Most serious harm is death or need for cardiac resuscitation.
Distribution
Worldwide Distribution. US nationwide. International distribution worldwide.
Type: Voluntary: Firm initiated
Recall Initiated: 2025-07-24
Company
Saint Paul, MN
Context & Analysis
This is a Class I recall. Class I recalls are the most serious — there is a reasonable probability that use of or exposure to the product will cause serious health consequences or death.
This was one of 135 device recalls issued in the same week, part of 413 device-related FDA actions this month.
Boston Scientific Corporation has 399 FDA actions in our database, including 334 recalls and 65 clearances.
Frequently Asked Questions
What is a Class I recall?
A Class I recall is the most serious type. The FDA has determined there is a reasonable probability that the product will cause serious adverse health consequences or death. Consumers should stop using the product immediately.
What should I do if I have this product?
Stop using the product. Check the product against the specific lot numbers or identifiers listed in the recall. Contact the manufacturer (Boston Scientific Corporation) or your retailer for a refund or replacement. If you experienced adverse effects, report them to the FDA via MedWatch.
How often does Boston Scientific Corporation have FDA actions?
Boston Scientific Corporation has 399 FDA actions in our database, including 334 recalls and 65 device clearances.
Where can I find the official FDA record?
The official record is available on FDA.gov. Search for "Z-2327-2025" on FDA.gov for the full record. You can also use the openFDA API to query this record programmatically.
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