FDA Adverse Event Malfunction Summary report: N

LIFEVEST WCD 4000 SYSTEM

MDR report key: 3844838 · Received March 12, 2014

Report

Report Number
3008642652-2014-00773
Event Type
Malfunction
Date Received
March 12, 2014
Date of Event
February 11, 2014
Report Date
March 10, 2014
Manufacturer
ZOLL LIFECOR CORPORATION
Product Code
MVK
PMA / PMN Number
P010030
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
PA, US
Reporter Occupation
BIOMEDICAL ENGINEER

Narratives

Additional Manufacturer Narrative · 1

DEVICE EVALUATION SUMMARY: DEVICE EVALUATION OF MONITOR SN (B)(4) HAS BEEN COMPLETED. AS REC'D, 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. THE FLASH MEMORY HAD AN INTERMITTENT BGA CONNECTION, WHICH WAS DISCOVERED THROUGH THE USE OF A TARGET MEMORY TEST. 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. A ROOT CAUSE INVESTIGATION IS UNDERWAY. NO ADVERSE EVENT RESULTED FROM THE DEFECTIVE COMPONENTS. THE LAST PATIENT TO USE THIS MONITOR DID NOT REPORT ANY DEFICIENCIES.

Description of Event or Problem · 1

A REVIEW OF SERVICE DATA DETECTED A REPORTABLE PROBLEM. UPON SERVICING MONITOR SN (B)(4), THE MONITOR WAS UNABLE TO POWER ON. THE LAST PATIENT TO USE THIS MONITOR DID NOT REPORT ANY DEFICIENCIES.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
149546 LIFEVEST WCD 4000 SYSTEM WEARABLE CARDIOVERTER DEFIBRILLATOR MVK ZOLL LIFECOR CORPORATION WCD 4000 NA

Patients

Seq Age Sex Outcome Treatment
1 NA