FDA Adverse Event Injury Summary report: N

LIFEVEST WCD 4000 SYSTEM

MDR report key: 17541922 · Received August 14, 2023

Report

Report Number
3008642652-2023-08088
Event Type
Injury
Date Received
August 14, 2023
Date of Event
August 9, 2023
Report Date
August 14, 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

COMPLAINANT ADDRESS AND TELEPHONE: ZOLL SERVICES, LLC 121 GAMMA DRIVE. PITTSBURGH, PA 15238. PHONE: 800-543-3267. USA P025 (PATIENT TREATMENT): THE PATIENT WAS INAPPROPRIATELY TREATED 1 TIME BY THE LIFEVEST. THE PATIENT WAS REPORTEDLY CONSCIOUS AT THE TIME OF THE EVENT. SUPRAVENTRICULAR TACHYCARDIA (SVT) CONTRIBUTED TO THE FALSE DETECTION. THE RESPONSE BUTTONS WERE NOT PRESSED DURING THE EVENT. NO INJURY WAS REPORTED FROM THE TREATMENT. THE PATIENT WENT TO THE HOSPITAL FOR EVALUATION. THE PATIENT CONTINUED TO USE THE LIFEVEST. NO DEFICIENCIES WERE ALLEGED AGAINST THE DEVICE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
46206 LIFEVEST WCD 4000 SYSTEM WEARABLE CARDIOVERTER DEFIBRILLATOR MVK ZOLL MANUFACTURING CORPORATION LIFEVEST WCD 4000 SYSTEM

Patients

Seq Age Sex Outcome Treatment
1 Unknown Hospitalization