FDA Adverse Event Injury Summary report: N

COGNIS

MDR report key: 3243292 · Received July 23, 2013

Report

Report Number
2124215-2013-10553
Event Type
Injury
Date Received
July 23, 2013
Date of Event
March 29, 2013
Report Date
June 21, 2013
Manufacturer
GUIDANT CRM CLONMEL IRELAND
Product Code
LWP
Removal / Correction Number
Z-0025-2014
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

(B)(4). BOSTON SCIENTIFIC HAS ISSUED AN ADVISORY COMMUNICATION REGARDING AN OLDER SUBSET OF COGNIS/TELIGEN DEVICES THAT IS MORE SUSCEPTIBLE TO THIS ANOMALY. SPECIFICALLY, THE PERFORMANCE OF A LOW VOLTAGE CAPACITOR MAY BE COMPROMISED OVER TIME, CAUSING AN INCREASED CURRENT DRAIN THAT CAN LEAD TO PREMATURE BATTERY DEPLETION. THIS PARTICULAR DEVICE WAS INCLUDED IN THE ADVISORY POPULATION.

Additional Manufacturer Narrative · 1

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Additional Manufacturer Narrative · 1

THE PRODUCT IS RETURNED FOR ANALYSIS. THIS REPORT WILL BE UPDATED UPON COMPLETION OF ANALYSIS.

Additional Manufacturer Narrative · 1

UPON RECEIPT AT OUR QUALITY ASSURANCE LABORATORY, THIS DEVICE WAS THOROUGHLY INSPECTED AND ANALYZED. REVIEW OF THE DEVICE MEMORY CONFIRMED LOW VOLTAGE BATTERY FAULTS (FAULT CODE 1003) HAD BEEN RECORDED. EXTERNAL VISUAL INSPECTION OF THE DEVICE NOTED NO ANOMALIES. INITIAL AUTOMATED TESTING VERIFIED BASIC SENSING, PACING AND SHOCKING FUNCTIONS OF THE DEVICE. AFTER THE TITANIUM CASE WAS OPENED, MICROSCOPIC VISUAL INSPECTION DID NOT REVEAL ANY IRREGULARITIES. THE BATTERY WAS THEN REMOVED, SO THAT AN EXTERNAL POWER SUPPLY COULD BE CONNECTED TO THE DEVICE FOR FURTHER ANALYSIS. A HIGHER THAN NORMAL CURRENT USAGE WAS OBSERVED. ELECTRICAL TESTING ISOLATED THE HIGH CURRENT CONDITION TO A COMPROMISED LOW VOLTAGE CAPACITOR THAT IS CONNECTED TO THE DEVICE¿S BATTERY. THIS TYPE OF COMPONENT MALFUNCTION CAN RESULT IN A HIGH CURRENT DRAIN, WHICH OVER TIME CAN RESULT IN PREMATURE BATTERY DEPLETION, AS WAS OBSERVED IN THIS CASE.

Description of Event or Problem · 1

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Description of Event or Problem · 1

BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS CARDIAC RESYNCHRONIZATION THERAPY DEFIBRILLATOR (CRT-D) DISPLAYED A FAULT CODE ERROR UPON INTERROGATION INDICATING THAT THE BATTERY WAS DEPLETED PREMATURELY. BOSTON SCIENTIFIC TECHNICAL SERVICES (TS) DISCUSSED THE FAULT CODE AND SUGGESTED TO CHANGE THE DEVICE AS SOON AS POSSIBLE. A MEMORY DUMP WAS DONE AND THE DISK WAS SENT TO TS FOR FURTHER EVALUATION. AFTER DISK ANALYSIS, A DEVICE ANOMALY WAS CONFIRMED. THE DEVICE IS NOT ACCURATELY REFLECTING THE LONGEVITY OF THE BATTERY, ALTHOUGH CRITICAL THERAPY WAS AVAILABLE. A REVISION PROCEDURE WAS DONE IN WHICH THE DEVICE WAS EXPLANTED AND REPLACED. THIS CRT-D WAS RETURNED FOR DETAILED ANALYSIS. NO ADVERSE PATIENT EFFECTS WERE REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
343974 COGNIS IMPLANTABLE CHF PULSE GENERATOR LWP GUIDANT CRM CLONMEL IRELAND N119

Patients

Seq Age Sex Outcome Treatment
1 58 YR Hospitalization| L| R 1056T| V-343| N119| 1580