MAUDE Adverse Event Report: ZOLL MEDICAL CORPORATION ZENIX; AUTOMATED EXTERNAL DEFIBRILLATOR

Model Number	1116-321B4B-11-USA-0
Medical Device Problem Codes	Pacing Problem (1439); Defibrillation/Stimulation Problem (1573)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Event or Problem Description
Complainant alleged that during a routine shift check by a clinician, the device displayed a "defib failure" and unspecified "pacer fault" message.Complainant indicated that there was no patient involvement in the reported malfunction.
Additional Manufacturer Narrative
Zoll medical corporation has received the product and will be providing a supplemental report when our investigation is completed.

• Brand Name: ZENIX
• Common Device Name: AUTOMATED EXTERNAL DEFIBRILLATOR
• Manufacturer (Section D): ZOLL MEDICAL CORPORATION; 269 mill road; chelmsford MA 01824
• Manufacturer Contact: scott august ; 269 mill road; chelmsford, MA 01824 ; +1(978)421-9552
• MDR Report Key: 50820529
• Report Number: 1220908-2026-03658
• Device Sequence Number: 21386958
• Product Code: MKJ
• UDI-Device Identifier: 00198843000100
• UDI-Public: (01)00198843000100(11)250901
• Combination Product (Y/N): N
• Initial Reporter State: WA
• Initial Reporter Country: US
• PMA/510(K) Number: P160022
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Type of Report: Initial
• Report Date (Section B): 09/01/2026

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
• Operator of Device: Health Professional
• Device Model Number: 1116-321B4B-11-USA-0
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 09/17/2026
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/01/2026
• Initial Report FDA Received Date: 09/18/2026
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 09/01/2025
• 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: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown