FDA Adverse Event Malfunction Summary report: N

VITALITY

MDR report key: 2050179 · Received April 12, 2011

Report

Report Number
2124215-2011-03181
Event Type
Malfunction
Date Received
April 12, 2011
Date of Event
February 16, 2011
Report Date
March 1, 2011
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 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.

Additional Manufacturer Narrative · 1

THE PRODUCT IS CURRENTLY BEING ANALYZED. WHEN TESTING IS COMPLETE THIS REPORT WILL BE UPDATED.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS DEVICE WAS EXPLANTED FOR NORMAL BATTERY DEPLETION AND RETURNED FOR ANALYSIS. INITIAL LABORATORY TESTING PERFORMED BY OUR POST MARKET QUALITY ASSURANCE LABORATORY FOUND THAT THE DEVICE DID NOT MEET THE LABELED LONGEVITY CALCULATION. 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 T127

Patients

Seq Age Sex Outcome Treatment
1 63 YR T127| E102| 0144| 1850