BEUDAMED
    FDA Adverse Event Malfunction Summary report: N

    HEARTWARE VENTRICULAR ASSIST SYSTEM - BATTERY

    MDR report key: 7550832 · Received May 29, 2018

    Report

    Report Number
    3007042319-2018-02117
    Event Type
    Malfunction
    Date Received
    May 29, 2018
    Date of Event
    May 3, 2018
    Report Date
    August 10, 2018
    Manufacturer
    HEARTWARE, INC.
    Product Code
    DSQ
    UDI-DI
    00888707000376
    PMA / PMN Number
    P100047
    Product Problem
    Yes
    Report Source
    Manufacturer report
    Reporter Location
    PA, US
    Reporter Occupation
    HEALTH PROFESSIONAL

    Narratives

    Additional Manufacturer Narrative · 0

    PRODUCT EVENT SUMMARY: THE BATTERY WAS NOT RETURNED FOR EVALUATION. LOG FILE ANALYSIS REVEALED THAT THE CONTROLLER IN USE DURING THE REPORTED EVENT, (B)(4), CONTAINED A SOFTWARE WITH A FEATURE THAT RECORDS WHETHER A POWER SOURCE EXPERIENCED A COMMUNICATION ERROR OR A DISCONNECTION WITHIN EACH 15-MINUTE INTERVAL. ANALYSIS OF THE ALARM LOG FILES REVEALED ONE (1) CRITICAL BATTERY AND MULTIPLE POWER DISCONNECT ALARMS INVOLVING (B)(4). THE DATA POINT PRIOR TO THE CRITICAL BATTERY ALARM REVEALED THAT (B)(4) WAS AT 32% RELATIVE STATE OF CHARGE (RSOC). DURING THE CRITICAL BATTERY ALARM, (B)(4) DROPPED TO 0% RSOC. SEVERAL CELL-UNDER-VOLTAGE ALERTS WERE RECORDED AROUND THE REPORTED EVENT DATE IN ALARM LOG FILES. A CELL-UNDER-VOLTAGE CONDITION IS TRIGGERED WHEN A CELL PAIR FALLS BELOW A VOLTAGE THRESHOLD. AS A RESULT, THE REPORTED EVENT WAS CONFIRMED. APPLICABLE RISK DOCUMENTATION AND EXPERIENCE WITH EVENTS OF SIMILAR CIRCUMSTANCES WERE CONSIDERED; A POSSIBLE ROOT CAUSE OF THE REPORTED EVENT CAN BE ATTRIBUTED, BUT NOT LIMITED, TO A WELDING DEFECT, A FAULTY INTERNAL CELL PAIR, AND/OR A SOLDERING DEFECT. MEDTRONIC, INC. (MEDTRONIC) IS SUBMITTING THIS REPORT TO COMPLY WITH 21 C.F.R. PART 803, THE MEDICAL DEVICE REPORTING REGULATION. THIS REPORT IS BASED UPON INFORMATION OBTAINED BY MEDTRONIC, WHICH THE COMPANY MAY NOT HAVE BEEN ABLE TO FULLY INVESTIGATE OR VERIFY PRIOR TO THE DATE THE REPORT WAS REQUIRED BY THE FDA. MEDTRONIC HAS MADE REASONABLE EFFORTS TO OBTAIN MORE COMPLETE INFORMATION IN THE TIME ALLOTTED AND HAS PROVIDED AS MUCH INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC OR ITS EMPLOYEES CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. IN PARTICULAR, THIS REPORT DOES NOT CONSTITUTE AN ADMISSION BY ANYONE THAT THE PRODUCT DESCRIBED IN THIS REPORT HAS ANY "DEFECTS" OR HAS "MALFUNCTIONED". THESE WORDS ARE INCLUDED IN THE FDA 3500A FORM AND ARE FIXED ITEMS FOR SELECTION CREATED BY THE FDA, TO CATEGORIZE THE TYPE OF EVENT SOLELY FOR THE PURPOSE OF REPORTING PURSUANT TO PART 803. MEDTRONIC OBJECTS TO THE USE OF THESE WORDS AND OTHERS LIKE IT BECAUSE OF THE LACK OF DEFINITION AND THE CONNOTATIONS IMPLIED BY THESE TERMS. THIS STATEMENT SHOULD BE INCLUDED WITH ANY INFORMATION OR REPORT DISCLOSED TO THE PUBLIC UNDER THE FREEDOM OF INFORMATION ACT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. A GOOD FAITH EFFORT WILL BE MADE TO OBTAIN THE APPLICABLE INFORMATION RELEVANT TO THE REPORT. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

    Additional Manufacturer Narrative · 1

    THIS DEVICE IS USED FOR TREATMENT NOT DIAGNOSIS. THE VENTRICULAR ASSIST SYSTEM IS INDICATED FOR USE AS A BRIDGE TO CARDIAC TRANSPLANTATION AND DESTINATION THERAPY IN PATIENTS WHO ARE AT RISK OF DEATH FROM REFRACTORY END-STAGE LEFT VENTRICULAR HEART FAILURE. THE SYSTEM IS DESIGNED FOR IN-HOSPITAL AND OUT-OF-HOSPITAL SETTINGS. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

    Description of Event or Problem · 1

    IT WAS REPORTED THAT THE CONTROLLER DISPLAYED A CRITICAL BATTERY ALARM FOR ONE BATTERY. THE ASSOCIATED BATTER WILL BE EXCHANGED. NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.

    Devices

    Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
    393172 HEARTWARE VENTRICULAR ASSIST SYSTEM - BATTERY VENTRICULAR (ASSISST) BYPASS DSQ HEARTWARE, INC. 1650- 00888707000376

    Patients

    Seq Age Sex Outcome Treatment
    1 27 YR 1103 VAD