FDA Adverse Event Malfunction Summary report: N

VITALITY 2

MDR report key: 1951646 · Received January 6, 2011

Report

Report Number
2124215-2010-24035
Event Type
Malfunction
Date Received
January 6, 2011
Date of Event
November 24, 2010
Report Date
November 24, 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, THE DEVICE WAS SUCCESSFULLY INTERROGATED. ENGINEERING CALCULATIONS DETERMINED THAT THIS DEVICE DID NOT MEET EXPECTED LONGEVITY PER PROGRAMMED VALUES. THE DEVICE WAS PUT THROUGH AND PASSED A SERIES OF AUTOMATED DIAGNOSTIC TESTING. A REVIEW OF DEVICE MEMORY REVEALED THAT THE DEVICE DECLARED ELECTIVE REPLACEMENT INDICATOR (ERI) AFTER EXPERIENCING TWO CONSECUTIVE CHARGE TIMES GREATER THAN THE EXTENDED MID-LIFE ERI CHARGE TIME LIMIT. THE OBSERVED RATE OF BATTERY USAGE WAS COMPARED TO THE EXPECTED RATE OF BATTERY USAGE; THE RESULTS INDICATED THAT THE MONITORING VOLTAGE WAS NORMAL. ALTHOUGH THE BATTERY ITSELF HAD NOT DEPLETED PREMATURELY, ERI WAS TRIGGERED EARLIER THAN EXPECTED BY EXTENDED CHARGE TIMES DUE TO A HIGHER-THAN-TYPICAL BUILD-UP OF INTERNAL BATTERY IMPEDANCE.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS DEVICE WAS ELECTIVELY EXPLANTED DUE TO NORMAL BATTERY DEPLETION. THERE WERE NO ALLEGATIONS OR COMPLAINTS AGAINST THE DEVICE'S OPERATION, FUNCTIONALITY OR LONGEVITY.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 VITALITY 2 IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND T167

Patients

Seq Age Sex Outcome Treatment
1 44 YR 0184| T167| E110| 4472