LIFEVEST WCD 4000 SYSTEM
Report
- Report Number
- 3008642652-2013-01035
- Event Type
- Malfunction
- Date Received
- April 19, 2013
- Date of Event
- March 7, 2013
- Report Date
- April 10, 2013
- Manufacturer
- ZOLL LIFECOR CORPORATION
- Product Code
- MVK
- PMA / PMN Number
- P010030
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Occupation
- NOT APPLICABLE
Narratives
DEVICE EVAL OF MONITOR SN (B)(4) HAS BEEN COMPLETED. THE REPORTED PROBLEM (MONITOR SCREEN BLANK) WAS CONFIRMED. AS RECEIVED, THE MONITOR WOULD NOT POWER ON. THE CAUSE OF THE INABILITY TO POWER ON WAS A FLASH MEMORY FAILURE (COMPONENTS U102 AND U105) ON THE C/A BOARD SN (B)(4). THE FLASH MEMORY HAD AN INTERMITTENT BGA CONNECTION AT PIN A25, 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. 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 PT RECEIVED A REPLACEMENT MONITOR.
A ZOLL ACCOUNT COORDINATOR CONTACTED ZOLL CUSTOMER SUPPORT TO REPORT THAT A (B)(6) MALE PT'S MONITOR SCREEN WAS BLANK. THE PT WAS ISSUED A REPLACEMENT MONITOR.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 169491 | LIFEVEST WCD 4000 SYSTEM | WEARABLE CARDIOVERTER DEFIBRILLATOR | MVK | ZOLL LIFECOR CORPORATION | WCD 4000 | NA |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | 60 YR |