FDA Adverse Event Malfunction Summary report: N

LIFEVEST WCD 3000 SYSTEM

MDR report key: 1121083 · Received August 14, 2008

Report

Report Number
3002158293-2008-00365
Event Type
Malfunction
Date Received
August 14, 2008
Date of Event
May 15, 2008
Report Date
August 13, 2008
Manufacturer
ZOLL LIFECOR CORPORATION
Product Code
MVK
PMA / PMN Number
P010030
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
GM
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

DEVICE EVALUATION SUMMARY: DEVICE EVALUATION OF BATTERY PACK HAS BEEN COMPLETED. THE REPORTED PROBLEM WAS CONFIRMED. THE CAUSE OF THE FAULTS WAS DEFECTIVE BATTERY CELLS WITHIN THE BATTERY PACK. THE ROOT CAUSE OF THE DEFECTIVE CELLS IS NOT KNOWN, BUT WAS PROBABLY DUE TO EXCESSIVE DISCHARGING. MANY "BATTERY RUNTIME EXPIRED" FLAGS WERE SEEN ON THE FINAL DOWNLOAD FROM THE LAST PATIENT TO USE THIS BATTERY PACK. THIS MEANT THAT THE BATTERY PACK WAS USED FOR GREATER THAN TWENTY-FOUR HOURS. THIS MEANS THAT THE PATIENT CONTINUED TO USE A DEPLETED BATTERY FOR HOURS AFTER THE EXPIRED RUNTIME ALARMS SOUNDED. THE DEFECTIVE CELLS WERE REPLACED. THE BATTERY PACK WAS RETESTED AND RESTOCKED. NO ADVERSE EVENT RESULTED FROM THE FAULTY BATTERY PACK. THE PATIENT RECEIVED A REPLACEMENT BATTERY PACK.

Description of Event or Problem · 1

A FOREIGN DISTRIBUTOR SENT AN EMAIL CONTAINING A SERVICE REQUEST FOR A BATTERY PACK. RESEARCH REVEALED THE LAST PATIENT TO USE THIS BATTERY PACK WAS EXCESSIVELY DISCHARGING THE PACK.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 LIFEVEST WCD 3000 SYSTEM WEARABLE CARDIOVERTER DEFIBRILLATOR MVK ZOLL LIFECOR CORPORATION WCD 3000 NA

Patients

Seq Age Sex Outcome Treatment
1 UNK