FDA Adverse Event Malfunction Summary report: N

LIFEVEST WCD 4000 SYSTEM

MDR report key: 2211995 · Received July 8, 2011

Report

Report Number
3008642652-2011-00170
Event Type
Malfunction
Date Received
July 8, 2011
Date of Event
June 6, 2011
Report Date
July 7, 2011
Manufacturer
ZOLL LIFECOR CORPORATION
Product Code
MVK
PMA / PMN Number
P010030
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
NOT APPLICABLE

Narratives

Additional Manufacturer Narrative · 1

DEVICE EVALUATION SUMMARY: DEVICE EVALUATION OF MONITOR (B)(4) HAS BEEN COMPLETED. THE REPORTED PROBLEM (WILL NOT POWER UP) HAS BEEN CONFIRMED. THE CAUSE OF THE MONITOR NOT POWERING UP HAS BEEN ISOLATED TO AN INTERMITTENT CONNECTION AT PIN 25 OF THE FLASH MEMORY. THE INTERMITTENT CONNECTION RESULTED IN THE FLASH MEMORY BECOMING CORRUPT. THE INTERMITTENT CONNECTION IS LIKELY DUE TO A FRACTURED SOLDER CONNECTION INDUCED BY MECHANICAL STRESS. THE EXACT SOURCE OF THE MECHANICAL STRESS HAS NOT BEEN POSITIVELY IDENTIFIED. NO ADVERSE EVENT RESULTED FROM THE CORRUPT MEMORY. THE PATIENT RECEIVED A REPLACEMENT MONITOR.

Description of Event or Problem · 1

A (B)(6) FEMALE PATIENT CONTACTED ZOLL CUSTOMER SUPPORT TO REPORT THAT HER MONITOR "IS NOT WORKING." THE PATIENT WAS ISSUED A REPLACEMENT MONITOR.

Devices

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

Patients

Seq Age Sex Outcome Treatment
1 64 YR