MAUDE Adverse Event Report: ZOLL MEDICAL CORPORATION Z VENT; VENTILATOR

Model Number	799-AEB1-00-01
Medical Device Problem Code	Improper Flow or Infusion (2954)
Health Effect - Clinical Code	Insufficient Information (4580)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Zoll medical corporation has received the product and will be providing a supplemental report when our investigation is completed.
Event or Problem Description
Complainant alleged that while attempting to treat a patient (age & gender unknown), the device stopped ventilating.Complainant did not indicate that there was any adverse effect to the patient due to the reported malfunction.
Additional Manufacturer Narrative
The customer's ventilator was evaluated following a report that it appeared to be breathing for the patient but was not delivering ventilation.Device log review was unable to establish a device malfunction with a number of user advisories suggesting a leak in the system.The device was functional tested with a known good setup to confirm proper device operation.The device was internally inspected with no leaks or damage observed.The device passed all calibration testing with no issues observed.The device was recertified and returned to the customer.Analysis for reports of this type has not identified an increase in trend.

• Brand Name: Z VENT
• Common Device Name: VENTILATOR
• 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: 24727320
• Report Number: 1220908-2026-01158
• Device Sequence Number: 9214923
• Product Code: CBK
• UDI-Device Identifier: 00847946024192
• UDI-Public: (01)00847946024192
• Combination Product (Y/N): N
• Initial Reporter State: TX
• 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): 03/09/2026

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-AEB1-00-01
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/17/2026
• 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: 03/09/2026
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 03/30/2026
• Supplement Report FDA Received Date: 04/15/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 04/01/2021
• 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