FDA Adverse Event Malfunction Summary report: N

VENTAK PRIZM

MDR report key: 3911711 · Received July 3, 2014

Report

Report Number
2124215-2014-10722
Event Type
Malfunction
Date Received
July 3, 2014
Date of Event
June 8, 2008
Report Date
May 5, 2014
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWP
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 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 THAT 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 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
391862 VENTAK PRIZM IMPLANTABLE CARDIOVERTER DEFIBRILLATOR LWP GUIDANT CRM CLONMEL IRELAND 1853

Patients

Seq Age Sex Outcome Treatment
1 80 YR 0158| 4087| 1853