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

Model Number WCD 4000

Device Problems False Alarm (1013); Communication or Transmission Problem (2896)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 10/25/2021

Event Type  malfunction  

Manufacturer Narrative

Device evaluation of electrode belt has been completed. the reported problem (adjust belt messages, arrhythmia alarms) has been confirmed.Upon investigation the electrode belt was unable to communicate with a monitor.The root cause for the failure was the cable connecting ecg "c" and ecg "d" was pulled from the strain relief, damaging wires in the cable.  the root cause for the strained cable was excessive force.No adverse events occurred from the damaged electrode belt.

Event Description

A us distributor reported that a patient was receiving adjust belt messages and arrhythmia alarms. .

• Brand Name: LIFEVEST WCD 4000 SYSTEM
• Type of Device: WEARABLE CARDIOVERTER DEFIBRILLATOR
• Manufacturer (Section D): ZOLL MANUFACTURING CORPORATION; 121 gamma drive; pittsburgh PA 15238 3495
• Manufacturer (Section G): ZOLL MANUFACTURING CORPORATION; 121 gamma drive; pittsburgh PA 15238 3495
• Manufacturer Contact: steven kyle ; 121 gamma drive; pittsburgh, PA 15238-3495 ; 4129683333
• MDR Report Key: 12882504
• MDR Text Key: 282705685
• Report Number: 3008642652-2021-10470
• Device Sequence Number: 1
• Product Code: MVK
• UDI-Device Identifier: 00855778005135
• UDI-Public: 00855778005135
• 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: 11/29/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 11/29/2021
• 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: 10A1025
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 11/04/2021
• Date Manufacturer Received: 11/12/2021
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 02/20/2020
• 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