FDA Adverse Event Malfunction Summary report: N

VITALITY 2

MDR report key: 3910497 · Received July 2, 2014

Report

Report Number
2124215-2014-09930
Event Type
Malfunction
Date Received
July 2, 2014
Date of Event
February 21, 2014
Report Date
April 21, 2014
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

(B)(4). 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.

Description of Event or Problem · 1

ADDITIONAL INFORMATION RECEIVED FROM THE PATIENT THAT THIS DEVICE WAS COMPLETELY NOT WORKING FOR TWO MONTHS BEFORE IT WAS REVISED. NO ADDITIONAL ADVERSE PATIENT EFFECTS WERE REPORTED.

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 DETERMINED THIS PRODUCT DID NOT MEET LONGEVITY EXPECTATIONS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
387917 VITALITY 2 IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND T167

Patients

Seq Age Sex Outcome Treatment
1 77 YR 1861| T167| 0155| 1388T