FDA Adverse Event Malfunction Summary report: N

VITALITY

MDR report key: 1864081 · Received October 11, 2010

Report

Report Number
2124215-2010-15886
Event Type
Malfunction
Date Received
October 11, 2010
Date of Event
August 9, 2010
Report Date
August 10, 2010
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Removal / Correction Number
Z-0047-2008 TO Z-0053-20
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
WA
Reporter Occupation
MEDICAL EQUIPMENT COMPANY TECHNICIAN/REPRESENTATIVE

Narratives

Additional Manufacturer Narrative · 1

DETAILED ANALYSIS IS PENDING.

Additional Manufacturer Narrative · 1

UPON RECEIPT AT OUR (B)(4) 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. THIS ISSUE IS DISCUSSED IN THE (B)(4).

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD)WAS EXPLANTED DUE TO NORMAL BATTERY DEPLETION. HOWEVER, INITIAL ANALYSIS REVEALED A DEVICE ANOMALY. NO ADVERSE PATIENT EFFECTS WERE REPORTED. THIS DEVICE IS INCLUDED IN THE MID-LIFE DISPLAY OF REPLACEMENT INDICATORS ADVISORY.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 VITALITY IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND T125

Patients

Seq Age Sex Outcome Treatment
1 60 YR 4469| E110| 1763| T125| 0125