FDA Adverse Event Malfunction Summary report: N

VENTAK PRIZM

MDR report key: 2151481 · Received July 6, 2011

Report

Report Number
2124215-2011-05940
Event Type
Malfunction
Date Received
July 6, 2011
Date of Event
April 1, 2011
Report Date
May 6, 2011
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

ANALYSIS OF THE RETURNED PRODUCT IS CURRENTLY ONGOING. THIS EVENT WILL BE UPDATED UPON COMPLETION OF THE ANALYSIS.

Additional Manufacturer Narrative · 1

A REVIEW OF DEVICE MEMORY REVEALED THAT THE DEVICE DECLARED ERI AFTER EXPERIENCING TWO CONSECUTIVE CHARGE TIMES GREATER THAN THE ERI CHARGE TIME LIMIT OF 18 SECONDS. THE DEVICE PASSED A SERIES OF DIAGNOSTIC TESTS TO ASSESS THE PERFORMANCE OF DEFIBRILLATION, PACING, SENSING, HIGH VOLTAGE SHOCKING, AND DIAGNOSTIC RECORDING FUNCTIONS. THE DEVICE'S MONITORING VOLTAGE WAS NORMAL BASED ON THERAPY USE AND PROGRAMMED SETTINGS. CHARGE TIMES IN EXCESS OF THE 18 SECOND ERI CHARGE TIME LIMIT TRIGGERED ERI EARLIER THAN EXPECTED. THIS WAS DUE TO A BUILD-UP OF INTERNAL BATTERY IMPEDANCE, PREVENTING THE DEVICE FROM MEETING ITS EXPECTED LONGEVITY PER DEVICE LABELING.

Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD) WAS EXPLANTED DUE TO NORMAL ELECTIVE REPLACEMENT INDICATOR (ERI) BATTERY STATUS AND WAS REPLACED WITH ANOTHER ICD. UPON RECEIPT, INITIAL LABORATORY ANALYSIS DETERMINED THAT THIS DEVICE DID NOT MEET EXPECTED LONGEVITY PREDICTIONS AS DESCRIBED IN DEVICE LABELING.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 VENTAK PRIZM IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND 1852

Patients

Seq Age Sex Outcome Treatment
1 46 YR 1852| E102| 0185