FDA Adverse Event Malfunction Summary report: N

LIFEVEST WCD 4000 SYSTEM

MDR report key: 3003649 · Received February 11, 2013

Report

Report Number
3008642652-2013-00357
Event Type
Malfunction
Date Received
February 11, 2013
Date of Event
October 25, 2012
Report Date
February 6, 2013
Manufacturer
ZOLL LIFECOR CORPORATION
Product Code
MVK
PMA / PMN Number
P010030
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

DEVICE EVALUATION SUMMARY: DEVICE EVALUATION OF MONITOR SN (B)(4) HAS BEEN COMPLETED. THE REPORTED PROBLEM (SCREECHING/ DEFECTIVE) WAS CONFIRMED. AS RECEIVED, THE MONITOR WOULD NOT POWER ON. THE CAUSE OF THE INABILITY TO POWER ON WAS A RAM FAILURE (COMPONENTS U100 AND U101) ON THE C/A BOARD SN (B)(4). THE RAM COMPONENTS HAD AN INTERMITTENT BGA CONNECTION. 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 MONITOR. THE PATIENT RECEIVED A REPLACEMENT MONITOR.

Description of Event or Problem · 1

A (B)(6) FEMALE PATIENT'S SON CONTACTED ZOLL CUSTOMER SUPPORT TO REPORT THAT THE MONITOR WAS SCREECHING AND DEFECTIVE. THE PATIENT WAS ISSUED A REPLACEMENT MONITOR.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
59253 LIFEVEST WCD 4000 SYSTEM WEARABLE CARDIOVERTER DEFIBRILLATOR MVK ZOLL LIFECOR CORPORATION WCD 4000 NA

Patients

Seq Age Sex Outcome Treatment
1 67 YR