FDA Adverse Event Malfunction Summary report: N

LIFEVEST WCD 4000 SYSTEM

MDR report key: 3073078 · Received April 8, 2013

Report

Report Number
3008642652-2013-00905
Event Type
Malfunction
Date Received
April 8, 2013
Date of Event
February 22, 2013
Report Date
April 1, 2013
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 UP) 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. AN INTERMITTENT CONNECTION WAS DISCOVERED AT PIN A25 OF THE FLASH MEMORY. 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. ROOT CAUSE ANALYSIS OF SIMILAR EVENTS FOUND THAT EXCESSIVE STRAIN ON THE PRINTED CIRCUIT ASSEMBLY (PCA) FROM SEVERE IMPACT CAN CAUSE FRACTURED SOLDER CONNECTIONS. (B)(4). NO ADVERSE EVENT RESULTED FROM THE DEFECTIVE COMPONENTS. THE PATIENT RECEIVED A REPLACEMENT MONITOR.

Description of Event or Problem · 1

THE WIFE OF A (B)(6) MALE PATIENT CALLED ZOLL CUSTOMER SUPPORT TO REPORT THAT THE PATIENT'S MONITOR WAS MAKING A LOUD BEEPING NOISE AND WOULDN'T POWER UP. THE PATIENT WAS ISSUED A REPLACEMENT MONITOR.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
142665 LIFEVEST WCD 4000 SYSTEM WEARABLE CARDIOVERTER DEFIBRILLATOR MVK ZOLL LIFECOR CORPORATION WCD 4000 NA

Patients

Seq Age Sex Outcome Treatment
1 81 YR