FDA Adverse Event Malfunction Summary report: N

VITALITY

MDR report key: 1952524 · Received January 7, 2011

Report

Report Number
2124215-2010-23271
Event Type
Malfunction
Date Received
January 7, 2011
Date of Event
December 3, 2010
Report Date
December 13, 2010
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

UPON RECEIPT AT OUR POST MARKET QUALITY ASSURANCE 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, THE ERI TO EOL TIME PERIOD WAS SHORTENED 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.

Additional Manufacturer Narrative · 1

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

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS DEVICE WAS REMOVED AND RETURNED FOR DISPOSAL. INITIAL ANALYSIS REVEALED THIS DEVICE HAD REACHED ELECTIVE REPLACEMENT INDICATORS WHILE IMPLANTED. THE DEVICE MET LONGEVITY LABELING EXPECTATIONS, HOWEVER, THIS DEVICE DID NOT MEET THE EXPECTATIONS OF ALL REQUIRED TESTING. FURTHER ANALYSIS WILL BE PERFORMED. NO ADVERSE PATIENT EFFECTS WERE REPORTED.

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