FDA Adverse Event Malfunction Summary report: N

LIFEVEST WCD 4000 SYSTEM

MDR report key: 4321219 · Received December 2, 2014

Report

Report Number
3008642652-2014-04523
Event Type
Malfunction
Date Received
December 2, 2014
Date of Event
November 10, 2014
Report Date
November 25, 2014
Manufacturer
ZOLL MANUFACTURING CORP
Product Code
MVK
PMA / PMN Number
P010030
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
PA, US
Reporter Occupation
NOT APPLICABLE

Narratives

Additional Manufacturer Narrative · 1

DEVICE EVALUATION OF CHARGER/MODEM SN (B)(4) HAS BEEN COMPLETED. THE REPORTED PROBLEM (RESETTING) WAS CONFIRMED. AS RECEIVED, THE CHARGER WAS RESETTING ON STARTUP. UPON EVALUATION, THERE WAS LIQUID CONTAMINATION ON THE BATTERY BOARD AND THE Q1 CURRENT CONTROLLING TRANSISTOR WAS INTERNALLY SHORTED ON THE BEDSIDE BOARD. THE CAUSE OF THE RESETS IS THE CONTAMINATED BATTERY BOARD AND INTERNALLY SHORTED Q1 COMPONENT. THE ROOT CAUSE OF THE CONTAMINATION IS LIKELY LIQUID INGRESS. THE ROOT CAUSE OF THE INTERNALLY SHORTED COMPONENT CANNOT BE POSITIVELY IDENTIFIED. NO ADVERSE EVENT RESULTED FORM THE CONTAMINATED BOARD OR SHORTED COMPONENT.

Description of Event or Problem · 1

A ZOLL DISTRIBUTOR RETURNED CHARGER/MODEM SN (B)(4) INDICATING THAT IT WAS RESETTING.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
776343 LIFEVEST WCD 4000 SYSTEM WEARABLE CARDIOVERTER DFIBRILLATOR MVK ZOLL MANUFACTURING CORP WCD 4000 NA

Patients

Seq Age Sex Outcome Treatment
1 NA