FDA Adverse Event Malfunction Summary report: N

VITALITY 2

MDR report key: 1952006 · Received January 7, 2011

Report

Report Number
2124215-2010-23150
Event Type
Malfunction
Date Received
January 7, 2011
Date of Event
December 2, 2010
Report Date
December 2, 2010
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Removal / Correction Number
Z-1513-08 TO Z-1514-08
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

UPON RECEIPT AT OUR POST MARKET QUALITY ASSURANCE LABORATORY, DEVICE MEMORY WAS REVIEWED. WE CONFIRMED THAT THE DEVICE DECLARED ERI WITH A MONITORING VOLTAGE OF 2.62 VOLTS. TO DETERMINE IF THE DEVICE'S RATE OF BATTERY DEPLETION WAS NORMAL, OUR TECHNICIANS COMPARED THE OBSERVED RATE OF BATTERY USAGE TO THE EXPECTED RATE OF BATTERY USAGE. THE RESULTS SHOWED THAT THE MONITORING VOLTAGE WAS NORMAL BASED ON THERAPY USE TO DATE AND PROGRAMMED SETTINGS. ALTHOUGH THE BATTERY ITSELF HAD NOT DEPLETED PREMATURELY, ERI WAS TRIGGERED EARLIER THAN EXPECTED BY CHARGE TIMES IN EXCESS OF THE RESPECTIVE CHARGE TIME LIMITS. LABORATORY TECHNICIANS AND ENGINEERS CONCLUDED THAT THIS DEVICE DID NOT EXPERIENCE PREMATURE BATTERY DEPLETION. RATHER, AN ERI CHARGE TIME REPLACEMENT INDICATOR WAS DECLARED DUE TO A HIGHER-THAN-TYPICAL BUILD-UP OF INTERNAL BATTERY IMPEDANCE.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS DEVICE WAS RETURNED WITH NO ADDITIONAL INFORMATION. THERE WERE NO KNOWN ALLEGATIONS OR COMPLAINTS AGAINST THE DEVICE. INITIAL ANALYSIS REVEALED THIS DEVICE DID NOT MEET THE ANALYSIS EXPECTATIONS AND ADDITIONAL ANALYSIS IS PENDING. NO ADVERSE PATIENT EFFECTS WERE REPORTED.

Devices

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

Patients

Seq Age Sex Outcome Treatment
1 49 YR (B)(4)