MAUDE Adverse Event Report: DEFIBTECH, L.L.C. LIFELINE; AUTOMATED EXTERNAL DEFIBRILLATOR

Model Number	DDU-A2400
Medical Device Problem Code	Inappropriate/Inadequate Shock/Stimulation (1574)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Event or Problem Description
A customer reported that their aed's asi is flashing red and reporting a service code.They reported this did not occur during patient use.
Additional Manufacturer Narrative
Upon receipt, the device underwent bench testing, during which it was determined that the aed would not supply an adequate shock during the shock test.Evaluation confirmed that the aed had sustained damage.Further evaluation determined that the issue was due to a loose connection of a transistor attributed to the device experiencing a drop or significant impact.Based on these findings, the device was removed from service.Although the original customer report did not involve patient use and was not considered reportable, evaluation confirmed a malfunction that could delay or prevent therapy delivery in a clinical situation.As such, this event is being reported in accordance with 21 cfr 803.50.

• Brand Name: LIFELINE
• Common Device Name: AUTOMATED EXTERNAL DEFIBRILLATOR
• Manufacturer (Section D): DEFIBTECH, L.L.C.; 741 boston post rd.; suite 201; guilford CT 06437
• Manufacturer (Section G): DEFIBTECH, L.L.C.; 14 commercial st.; branford CT
• Manufacturer Contact: nissa soto ; 741 boston post road; suite 201; guilford, CT 06437 ; 2034536654
• MDR Report Key: 22726462
• Report Number: 3003521780-2025-00973
• Device Sequence Number: 12850218
• Product Code: MKJ
• UDI-Device Identifier: 10815098020246
• UDI-Public: (01)10815098020246
• Combination Product (Y/N): N
• Initial Reporter State: NY
• Initial Reporter Country: US
• PMA/510(K) Number: P160032
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Consumer
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 08/06/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Model Number: DDU-A2400
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 08/19/2024
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/10/2025
• Initial Report FDA Received Date: 08/06/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/05/2020
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown