FDA Adverse Event Malfunction Summary report: N

LIFEVEST WCD 4000 SYSTEM

MDR report key: 3221493 · Received July 3, 2013

Report

Report Number
3008642652-2013-01741
Event Type
Malfunction
Date Received
July 3, 2013
Date of Event
May 29, 2013
Report Date
June 27, 2013
Manufacturer
ZOLL LIFECOR CORPORATION
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 EVAL SUMMARY: DEVICE EVAL OF MONITOR SN (B)(4) HAS BEEN COMPLETED. THE REPORTED PROBLEM (ABNORMAL SHUTDOWNS) WAS CONFIRMED. UPON INVESTIGATION, THE MONITOR WAS RESETTING. THE CAUSE FOR THE RESETS ARE ISOLATED TO AN INTERMITTENT BGA SOLDER CONNECTION AT THE U500 DSP COMPONENT ON THE MONITOR C/A BOARD. THE ROOT CAUSE FOR THE INTERMITTENT BGA CONNECTION AT U500 COULD NOT BE POSITIVELY IDENTIFIED, BUT THE DAMAGE LIKELY RESULTED FROM THE MONITOR IMPACTING A HARD SURFACE. ROOT CAUSE ANALYSIS OF SIMILAR EVENTS FOUND THAT EXCESSIVE STRAIN ON THE PRINTED CIRCUIT ASSEMBLY (PCA) FROM SEVERE IMPACT CAN CAUSE FRACTURED SOLDER CONNECTIONS. A MECHANICAL DESIGN CHANGE ((B)(4)) TO REDUCE THE PCA STRAIN WAS APPROVED BY FDA ON (B)(4) 2012. IMPLEMENTATION BEGAN (B)(4) 2013. RESULTS WILL BE MONITORED. NO ADVERSE EVENT RESULTED FROM THE DEFECTIVE U500 COMPONENT. THE PT RECEIVED A REPLACEMENT MONITOR.

Description of Event or Problem · 1

A (B)(6) PT CALLED ZOLL CUSTOMER SUPPORT TO REPORT THAT HIS MONITOR WAS DISPLAYING A SERVICE CODE 107 (ABNORMAL SHUTDOWNS). THE PT WAS ISSUED A REPLACEMENT MONITOR.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
304648 LIFEVEST WCD 4000 SYSTEM WEARABLE CARDIOVERTER DEFIBRILLATOR MVK ZOLL LIFECOR CORPORATION WCD 4000 NA

Patients

Seq Age Sex Outcome Treatment
1 56 YR