MAUDE Adverse Event Report: ZOLL MANUFACTURING CORPORATION LIFEVEST WCD 4000 SYSTEM; WEARABLE CARDIOVERTER DEFIBRILLATOR

Model Number WCD 4000

Device Problem No Display/Image (1183)

Patient Problem No Known Impact Or Consequence To Patient (2692)

Event Date 04/08/2020

Event Type  malfunction  

Manufacturer Narrative

Device evaluation of monitor sn (b)(4) has been completed. the reported problem (screen blank) has been confirmed. upon investigation the monitor was unable to power on. the cause for the failure was isolated to the defibrillator pca and computer/analog board. high voltage travelled to low voltage circuitry, damaging multiple components on the pcas.The root cause for the high voltage travelling to low voltage circuitry could not be positively identified.No adverse event resulted from the defective monitor.

Event Description

A us distributor reported that a patient's monitor screen was blank.

• Brand Name: LIFEVEST WCD 4000 SYSTEM
• Type of Device: WEARABLE CARDIOVERTER DEFIBRILLATOR
• Manufacturer (Section D): ZOLL MANUFACTURING CORPORATION; 121 gamma drive; pittsburgh, pa
• Manufacturer (Section G): ZOLL MANUFACTURING CORPORATION; 121 gamma drive; pittsburgh, pa
• Manufacturer Contact: rachel mahoney ; 121 gamma drive; pittsburgh, pa ; 9683333
• MDR Report Key: 10101733
• MDR Text Key: 193299552
• Report Number: 3008642652-2020-04688
• Device Sequence Number: 1
• Product Code: MVK
• UDI-Device Identifier: 00855778005005
• UDI-Public: 00855778005005
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: P010030
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: distributor
• Reporter Occupation: Other
• Type of Report: Initial
• Report Date: 05/26/2020

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 05/29/2020
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Lay User/Patient
• Device Model Number: WCD 4000
• Device Catalogue Number: 10A0988
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/29/2020
• Date Manufacturer Received: 05/26/2020
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 09/12/2019
• Is the Device Single Use?: No
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Reuse
• Patient Sequence Number: 1