FDA Adverse Event Malfunction Summary report: N

LIFEVEST WCD 4000 SYSTEM

MDR report key: 3221502 · Received July 2, 2013

Report

Report Number
3008642652-2013-01771
Event Type
Malfunction
Date Received
July 2, 2013
Date of Event
June 4, 2013
Report Date
July 2, 2013
Manufacturer
ZOLL LIFECOR CORPORATION
Product Code
MVK
PMA / PMN Number
P010030
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
AR, US
Reporter Occupation
NOT APPLICABLE

Narratives

Additional Manufacturer Narrative · 1

DEVICE EVALUATION SUMMARY: DEVICE EVALUATION OF MONITOR SN (B)(4) HAS BEEN COMPLETED. THE REPORTED PROBLEM (WON'T POWER ON) HAS BEEN CONFIRMED. AS RECEIVED, THE MONITOR WOULD NOT POWER ON. THE CAUSE OF THE MONITOR NOT POWERING ON WAS A FLASH MEMORY FAILURE (COMPONENTS U102 AND U105) ON THE C/A BOARD SN (B)(4). THE FLASH MEMORY HAD AN INTERMITTENT CONNECTION, WHICH WAS DISCOVERED THROUGH THE USE OF A FLASH MEMORY TEST. DURING THE FLASH MEMORY TEST, THE MONITOR PRODUCED A SEGMENTATION FAULT. THE INTERMITTENT CONNECTION WAS LIKELY INDUCED BY MECHANICAL STRESS. THE EXACT SOURCE OF THE MECHANICAL STRESS HAS NOT BEEN POSITIVELY IDENTIFIED BUT THE INTERMITTENT CONNECTION MAY HAVE BEEN ACCELERATED THROUGH ROUGH HANDLING. A ROOT CAUSE INVESTIGATION FOR THE FRACTURE IS CURRENTLY UNDERWAY. NO ADVERSE EVENT RESULTED FROM THE DEFECTIVE MONITOR. THE PATIENT RECEIVED A REPLACEMENT MONITOR.

Description of Event or Problem · 1

A (B)(6) MALE PATIENT CONTACTED ZOLL CUSTOMER SUPPORT TO REPORT THAT HIS MONITOR WAS NOT POWERING ON. THE PATIENT WAS ISSUED A REPLACEMENT MONITOR.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
301731 LIFEVEST WCD 4000 SYSTEM WEARABLE CARDIOVERTER DEFIBRILLATOR MVK ZOLL LIFECOR CORPORATION WCD 4000 NA

Patients

Seq Age Sex Outcome Treatment
1 49 YR