FDA Adverse Event Malfunction Summary report: N

LIFEVEST WCD 4000 SYSTEM

MDR report key: 2881166 · Received November 16, 2012

Report

Report Number
3008642652-2012-03009
Event Type
Malfunction
Date Received
November 16, 2012
Date of Event
October 24, 2012
Report Date
November 9, 2012
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 SN (B)(4) HAS BEEN COMPLETED. THE REPORTED PROBLEM (WON'T POWER ON) HAS BEEN CONFIRMED. AS RECEIVED, THE MONITOR WOULD NOT POWER ON. DURING SERVICING, THERE WAS A SEGMENTATION FAULT WHILE PERFORMING THE FLASH MEMORY TEST. THE CAUSE OF THE INABILITY TO POWER ON IS THE FLASH MEMORY FAILURE. THE CAUSE OF THE FLASH MEMORY FAILURE HAS BEEN ISOLATED TO FLASH COMPONENTS (U102 AND U105) ON THE COMPUTER ANALOG (CA) BOARD SN (B)(4). THE FLASH MEMORY COMPONENTS HAD INTERMITTENT BGA CONNECTIONS. 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 BUT THE FRACTURED CONNECTION MAY HAVE BEEN ACCELERATED THROUGH ROUGH HANDLING. NO ADVERSE EVENT RESULTED FROM THE DEFECTIVE MEMORY. THE PT RECEIVED A REPLACEMENT MONITOR.

Description of Event or Problem · 1

A (B)(6) MALE PT CONTACTED ZOLL CUSTOMER SUPPORT TO REPORT THAT HIS MONITOR WOULD NOT POWER ON. THE PT 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 32 YR