FDA Adverse Event Malfunction Summary report: N

VITALITY

MDR report key: 2050210 · Received April 12, 2011

Report

Report Number
2124215-2011-02982
Event Type
Malfunction
Date Received
April 12, 2011
Date of Event
February 17, 2011
Report Date
February 28, 2011
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
AL
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

THE PRODUCT HAS BEEN RECEIVED AND IS CURRENTLY BEING ANALYZED. THIS EVENT WILL BE UPDATED UPON COMPLETION OF ANALYSIS.

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.

Description of Event or Problem · 1

BOSTON SCIENTIFIC CRM RECEIVED INFORMATION THAT THIS DEVICE WAS EXPLANTED DUE TO UNKNOWN REASONS. NO ALLEGATIONS WERE RECEIVED AGAINST THIS DEVICE FROM THE FIELD. THIS EVENT WAS CREATED DUE TO THE INITIAL TESTING PERFORMED BY OUR POST MARKET QUALITY ASSURANCE LABORATORY. INITIAL TESTING NOTED A POSSIBLE PERFORMANCE ISSUE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 VITALITY IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND T135

Patients

Seq Age Sex Outcome Treatment
1 74 YR 0185| T135