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

Model Number WCD 4000

Device Problem Device Operates Differently Than Expected (2913)

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

Event Date 06/25/2018

Event Type  malfunction  

Manufacturer Narrative

Device evaluation of battery charger (b)(4) has been completed.Upon investigation, the battery charger was unable to recharge a battery.The cause for the failure was isolated to a shorted q1 current-controlling transistor on the bedside pca.The root cause for the shorted q1 transistor could not be positively identified.No adverse event resulted from the defective battery charger/modem.

Event Description

During an investigation of a charger for an unrelated issue, a reportable malfunction was found.The charger was unable to charge a battery.

• 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: gabrielle salazar ; 121 gamma drive; pittsburgh, PA 15238-3495 ; 4129683333
• MDR Report Key: 7647020
• MDR Text Key: 112752293
• Report Number: 3008642652-2018-05777
• Device Sequence Number: 1
• Product Code: MVK
• UDI-Device Identifier: 00855778005029
• UDI-Public: 00855778005029
• 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: Biomedical Engineer
• Type of Report: Initial
• Report Date: 06/27/2018

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 06/28/2018
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Lay User/Patient
• Device Model Number: WCD 4000
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 06/16/2018
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Date Manufacturer Received: 06/25/2018
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 11/28/2010
• 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