FDA Adverse Event Malfunction Summary report: N

VENTAK PRIZM

MDR report key: 1853500 · Received October 5, 2010

Report

Report Number
2124215-2010-14410
Event Type
Malfunction
Date Received
October 5, 2010
Date of Event
July 16, 2010
Report Date
July 17, 2010
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWS
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
PHYSICIAN

Narratives

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.

Additional Manufacturer Narrative · 1

THE DEVICE IS CURRENTLY UNDERGOING ANALYSIS - WHEN IT IS COMPLETE, THIS EVENT WILL BE UPDATED AND AN UPDATED REPORT WILL BE SUBMITTED.

Description of Event or Problem · 1

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Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS IMPLANTABLE CARDIOVERTER DEFIBRILLATOR (ICD) WAS EXPLANTED WITHOUT ALLEGATION AND RETURNED FOR ANALYSIS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 VENTAK PRIZM IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWS GUIDANT CRM CLONMEL IRELAND 1853

Patients

Seq Age Sex Outcome Treatment
1 4087| 1900| 0148| 1853