FDA Adverse Event Malfunction Summary report: N

VITALITY

MDR report key: 2905453 · Received January 9, 2013

Report

Report Number
2124215-2012-13299
Event Type
Malfunction
Date Received
January 9, 2013
Date of Event
October 2, 2012
Report Date
October 3, 2012
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Adverse Event
Yes
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 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 BUILDUP 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. ERI TO EOL IS LESS THAN 90 DAYS. THIS DEVICE DOES APPEAR TO MATCH TRENDED UNITS WHICH HAVE DECLARED ERI/EOL PREMATURELY DUE TO A LARGER THAN EXPECTED CELL IMPEDANCE INCREASE.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS PRODUCT WAS RETURNED WITH NO REPORTED PRODUCT PERFORMANCE ISSUES AND NO REPORTED ADVERSE PATIENT EFFECTS. INITIAL ANALYSIS COMPLETED IN OUR POST MARKET QUALITY ASSURANCE LABORATORY IDENTIFIED A PRODUCT PERFORMANCE ISSUE. FURTHER ANALYSIS WILL BE PERFORMED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
10591 VITALITY IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND 1871

Patients

Seq Age Sex Outcome Treatment
1