FDA Adverse Event Malfunction Summary report: N

VITALITY

MDR report key: 1951922 · Received January 7, 2011

Report

Report Number
2124215-2010-23146
Event Type
Malfunction
Date Received
January 7, 2011
Date of Event
December 2, 2010
Report Date
December 9, 2010
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Removal / Correction Number
Z-0047-08 TO Z-0053-08
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

UPON COMPLETION OF THE ANALYSIS, THIS EVENT WILL BE UPDATED.

Additional Manufacturer Narrative · 1

UPON RECEIPT AT OUR (B)(4) LABORATORY, A REVIEW OF DEVICE MEMORY REVEALED THAT THE DEVICE DECLARED ELECTIVE REPLACEMENT INDICATOR (ERI) AFTER EXPERIENCING TWO CHARGE TIMES GREATER THAN THE CHARGE TIME LIMIT. END OF LIFE (EOL) WAS DECLARED FOLLOWING A SINGLE CHARGE TIME GREATER THAN 30 SECONDS. THE OBSERVED RATE OF BATTERY USAGE WAS COMPARED TO THE EXPECTED RATE OF BATTERY USAGE AND THE RESULTS INDICATED THE MONITORING VOLTAGE WAS NORMAL BASED ON THERAPY USE AND PROGRAMMED SETTINGS. IT WAS CONCLUDED THAT THIS DEVICE DID NOT EXPERIENCE PREMATURE BATTERY DEPLETION. RATHER, ERI WAS REACHED EARLIER THAN EXPECTED DUE TO A HIGHER-THAN-TYPICAL BUILD-UP OF INTERNAL BATTERY IMPEDANCE. THE DEVICE WAS CAPABLE OF DETECTING AND TREATING ARRHYTHMIAS, AS THE BATTERY ITSELF HAD SUFFICIENT CAPACITY REMAINING TO PROVIDE THERAPY IF NEEDED.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD) DEVICE WAS RETURNED FOR DISPOSAL WITHOUT A CLINICAL ALLEGATION AGAINST THE DEVICE. INITIAL ANALYSIS REVEALED THE DEVICE HAD REACHED ELECTIVE REPLACEMENT INDICATORS (ERI) WHILE IMPLANTED. ANALYSIS CONFIRMED THE DEVICE MET EXPECTED LABELING LONGEVITY CALCULATIONS. FURTHER ANALYSIS WILL BE PERFORMED. NO ADVERSE PATIENT EFFECTS WERE REPORTED.

Description of Event or Problem · 1

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Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 VITALITY IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND 1871

Patients

Seq Age Sex Outcome Treatment
1