MAUDE Adverse Event Report: ZOLL MEDICAL CORPORATION Z VENT; VENTILATOR, CONTINUOUS, FACILITY USE

Model Number	799-EGB2-00-01
Medical Device Problem Code	Communication or Transmission Problem (2896)
Health Effect - Clinical Code	Insufficient Information (4580)
Type of Reportable Event	Malfunction
Event or Problem Description
Complainant alleged that while attempting to defibrillate a patient (age & gender unknown), the device displayed an "internal comm failure- 1471" error message complainant did not indicate that there was any adverse effect to the patient due to 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.
Additional Manufacturer Narrative
The device was returned to zoll medical corporation for evaluation following a reported patient disconnect alarm.Review of the device logs identified a single self-check failure (internal communication fault #1471), indicating a potential communication issue between internal assemblies.Comprehensive inspection, troubleshooting, calibration, functional testing, and stress testing were performed.The fault could not be reproduced, and the device passed all testing with no recurrence of fault #1471.No hardware, cabling, or pneumatic system issues were identified during evaluation.The cpu-to-uim/pim ribbin cable will be replaced as a precaution.The device met all performance specifications following testing and was returned to service.Analysis of reports of this type has not identified an increase in trend.

• Brand Name: Z VENT
• Common Device Name: VENTILATOR, CONTINUOUS, FACILITY USE
• Manufacturer (Section D): ZOLL MEDICAL CORPORATION; 269 mill road; chelmsford MA 01824
• Manufacturer Contact: scott august ; 269 mill road; chelmsford, MA 01824 ; 9784219552
• MDR Report Key: 25435940
• Report Number: 1220908-2026-02025
• Device Sequence Number: 10188846
• Product Code: CBK
• UDI-Device Identifier: 00847946024208
• UDI-Public: (01)00847946024208
• Combination Product (Y/N): N
• Initial Reporter State: NY
• Initial Reporter Country: US
• PMA/510(K) Number: K162832
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 05/19/2026

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: Other
• Device Model Number: 799-EGB2-00-01
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 05/22/2026
• 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: 05/19/2026
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 06/08/2026
• Supplement Report FDA Received Date: 07/01/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 06/01/2019
• 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