BEUDAMED
    FDA Adverse Event Injury Summary report: N

    COGNIS

    MDR report key: 4140437 · Received October 3, 2014

    Report

    Report Number
    2124215-2014-17571
    Event Type
    Injury
    Date Received
    October 3, 2014
    Date of Event
    September 15, 2014
    Report Date
    October 21, 2014
    Manufacturer
    GUIDANT CRM CLONMEL IRELAND
    Product Code
    LWS
    Removal / Correction Number
    Z-0087-2015
    Adverse Event
    Yes
    Product Problem
    Yes
    Report Source
    Manufacturer report
    Reporter Occupation
    PHYSICIAN

    Narratives

    Additional Manufacturer Narrative · 1

    (B)(4). THIS DEVICE WAS THOROUGHLY INSPECTED AND ANALYZED UPON RECEIPT AT OUR QUALITY ASSURANCE LABORATORY. REVIEW OF THE DEVICE MEMORY INDICATED THAT A LOW VOLTAGE ALERT, CODE 1003, WAS RECORDED. THE BATTERY VOLTAGE WAS LOWER THAN EXPECTED, BUT STILL SUPPORTED FULL DEVICE FUNCTION. A SERIES OF AUTOMATED ELECTRICAL/FUNCTIONAL TESTS WERE CONDUCTED AND NO ISSUES WITH DEVICE PERFORMANCE WERE OBSERVED; BASIC SENSING, PACING AND SHOCKING FUNCTIONS OF THE DEVICE WERE VERIFIED. USING HISTORICAL DAILY BATTERY VOLTAGE MEASUREMENT DATA, ENGINEERS DETERMINED THAT THIS DEVICE WAS DEMONSTRATING BEHAVIOR CONSISTENT WITH A HIGH CURRENT CONDITION ASSOCIATED WITH A COMPROMISED LOW VOLTAGE CAPACITOR CONNECTED TO THE DEVICE'S BATTERY. LOW VOLTAGE CAPACITORS ARE USED IN THE DEVICE'S HIGH VOLTAGE CHARGING OPERATION IN ORDER TO FACILITATE FAST CHARGE TIMES. MALFUNCTION OF THESE CAPACITORS RESULTED IN A HIGH CURRENT DRAIN, WHICH WAS DEPLETING THIS DEVICE'S BATTERY FASTER THAN NORMAL. 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

    (B)(4). THE PRODUCT IS EXPECTED TO BE RETURNED FOR ANALYSIS. THIS REPORT WILL BE UPDATED UPON RETURN AND COMPLETION OF ANALYSIS.

    Description of Event or Problem · 1

    --

    Description of Event or Problem · 1

    BOSTON SCIENTIFIC RECEIVED INFORMATION THAT THIS DEVICE RECORDED A CODE 1003 INDICATIVE OF BATTERY VOLTAGE TOO LOW FOR THE PROJECTED REMAINING CAPACITY. DISK ANALYSIS SHOWED THE BATTERY APPEARS TO BE DEPLETING MORE QUICKLY THAN EXPECTED. DEVICE REPLACEMENT WAS RECOMMENDED. THIS DEVICE WAS EXPLANTED AND REPLACED. NO ADVERSE PATIENT EFFECTS WERE REPORTED.

    Devices

    Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
    619249 COGNIS IMPLANTABLE CHF PULSE GENERATOR LWS GUIDANT CRM CLONMEL IRELAND P107

    Patients

    Seq Age Sex Outcome Treatment
    1 Hospitalization| L| R P107