FDA Adverse Event Malfunction Summary report: N

LIFEVEST WCD 4000 SYSTEM

MDR report key: 3221463 · Received July 2, 2013

Report

Report Number
3008642652-2013-01755
Event Type
Malfunction
Date Received
July 2, 2013
Date of Event
May 27, 2013
Report Date
June 28, 2013
Manufacturer
ZOLL LIFECOR CORPORATION
Product Code
MVK
PMA / PMN Number
P010030
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
WV, US
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 (SERVICE CODE 102) WAS CONFIRMED. UPON INVESTIGATION RESISTOR R45 WAS OPEN ON THE C/A BOARD, WHICH CAUSED THE SERVICE CODE 102. THE CAUSE FOR THE OPEN R45 RESISTOR WAS A BROKEN LEAD ON HIGH-VOLTAGE CAPACITOR C22 ON THE DEFIBRILLATOR BOARD. THE ROOT CAUSE FOR THE BROKEN LEAD ON C22 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 TO REDUCE THE PCA STRAIN WAS APPROVED BY FDA ON (B)(4) 2012. IMPLEMENTATION BEGAN ON (B)(4) 2013. RESULTS WILL BE MONITORED. NO ADVERSE EVENT RESULTED FROM THE BROKEN LEAD ON C22. THE PATIENT RECEIVED A REPLACEMENT MONITOR.

Description of Event or Problem · 1

A (B)(6) MALE PATIENT'S WIFE CONTACTED ZOLL CUSTOMER SUPPORT TO REPORT A SERVICE CODE 102 (CHARGE PROFILE FAULT). THE PATIENT WAS ISSUED A REPLACEMENT MONITOR.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
301492 LIFEVEST WCD 4000 SYSTEM WEARABLE CARDIOVERTER DEFIBRILLATOR MVK ZOLL LIFECOR CORPORATION WCD 4000 NA

Patients

Seq Age Sex Outcome Treatment
1 58 YR