BEUDAMED
    FDA Adverse Event Injury Summary report: N

    HWD 1000 SYSTEM

    MDR report key: 17630289 · Received August 28, 2023

    Report

    Report Number
    3008642652-2023-08479
    Event Type
    Injury
    Date Received
    August 28, 2023
    Date of Event
    July 23, 2023
    Report Date
    August 28, 2023
    Manufacturer
    ZOLL MANUFACTURING CORPORATION
    Product Code
    MVK
    PMA / PMN Number
    P010030
    Adverse Event
    Yes
    Report Source
    Manufacturer report
    Reporter Location
    PA, US
    Reporter Occupation
    OTHER

    Narratives

    Additional Manufacturer Narrative · 0

    THE MONITOR AND ELECTRODE BELT HAVE NOT BEEN RETURNED FOR EVALUATION. BASED ON THE DATA AVAILABLE AT THIS TIME, THERE IS NO INDICATION OF A DEVICE MALFUNCTION CAUSING OR CONTRIBUTING TO THE INAPPROPRIATE TREATMENT. INAPPROPRIATE DEFIBRILLATIONS ARE AN ANTICIPATED RISK ASSOCIATED WITH THE USE OF THE LIFEVEST. PATIENTS ARE INSTRUCTED THROUGH ALARMS, VOICE MESSAGES, IFU, AND TRAINING TO PRESS THE RESPONSE BUTTONS TO PREVENT AN INAPPROPRIATE DEFIBRILLATION. THE CURRENT COMMERCIAL INAPPROPRIATE DEFIBRILLATION RATE IS CONSISTENT WITH THE OBSERVED RATE DURING THE PIVOTAL CLINICAL TRIAL (B)(4) (0.69% PER PATIENT-MONTH WITH 90% CONFIDENCE). A SUMMARY OF THE SAFETY AND EFFECTIVENESS DATA (SSED), INCLUDING THE INAPPROPRIATE DEFIBRILLATION SAFETY OBJECTIVE SUPPORTING FDA'S APPROVAL OF THE LIFEVEST, CAN BE FOUND AT HTTP://WWW.ACCESSDATA.FDA.GOV/CDRH_DOCS/PDF/P010030B.PDF. THE LIFEVEST DETECTION ALGORITHM COMPLIES WITH IEC 60601-2-4 PERFORMANCE REQUIREMENTS FOR SENSITIVITY AND SPECIFICITY.

    Description of Event or Problem · 0

    THE PATIENT WAS INAPPROPRIATELY TREATED 3 TIMES BY THE LIFEVEST. THE PATIENT WAS REPORTEDLY CONSCIOUS AT THE TIME OF THE EVENT. MOTION ARTIFACT CONTRIBUTED TO THE FALSE DETECTION. THE RESPONSE BUTTONS WERE PRESSED AFTER THE TREATMENT WAS DELIVERED. THE RESPONSE BUTTONS FUNCTIONED APPROPRIATELY. NO INJURY WAS REPORTED FROM THE TREATMENT. THE PATIENT WAS IN THE HOSPITAL PRIOR TO THE EVENT, DURING THE EVENT, AND REMAINED THERE FOLLOWING THE EVENT. THE PATIENT ENDED USE OF THE LIFEVEST. NO DEFICIENCIES WERE ALLEGED AGAINST THE DEVICE.

    Devices

    Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
    329649 HWD 1000 SYSTEM WEARABLE CARDIOVERTER DEFIBRILLATOR MVK ZOLL MANUFACTURING CORPORATION HWD 1000 SYSTEM

    Patients

    Seq Age Sex Outcome Treatment
    1 Unknown Hospitalization