MAUDE Adverse Event Report: Inogen, Inc. Inogen One G5 Portable Oxygen Concentrator

Model Number	IO-500
Medical Device Problem Code	Fire (1245)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/05/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the device's dc charger caused the device to "pop, causing small damage" in the car.The device was claimed to be burnt.The patient was not injured and did not need to be hospitalized.A replacement device was sent to the patient.No additional information is available at this time as multiple attempts to contact the patient were unsuccessful.
Additional Manufacturer Narrative
B3: date of event is estimated.The inogen team attempted to contact the patient for further information three times with no response.The unit was returned with a system hot complaint, which was confirmed during testing.The unit "system hot "shutdown because fan was misaligned and contacting the accumulator likely due to high-impact incident, possibly from the unit being dropped.Also, stuck feed waste valve caused by debris inside it and the muffler being filled with dust, which resulted in a blockage in the feed port.Furthermore, the psa cycle (according to the data log) being high (14) is an indication the zeolite is getting contaminated by moisture.Uip, top housing & lower housing were also replaced due to cosmetic damage.

• Brand Name: Inogen One G5 Portable Oxygen Concentrator
• Common Device Name: Inogen One G5 Portable Oxygen Concentrator
• Manufacturer (Section D): Inogen, Inc.; 600 shiloh rd; plano TX 75074
• Manufacturer (Section G): Inogen, Inc.; 600 shiloh rd; plano TX 75074
• Manufacturer Contact: greg porter ; 600 shiloh rd; plano, TX 75074
• MDR Report Key: 50462509
• Report Number: 3004672275-2026-00269
• Device Sequence Number: 21382008
• Product Code: CAW
• UDI-Device Identifier: 00817131020162
• UDI-Public: (01)00817131020162
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K032818
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Consumer
• Initial Reporter Occupation: Non-Healthcare Professional
• Remedial Action: Replace
• Type of Report: Initial
• Report Date (Section B): 08/26/2026

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: Lay User/Patient
• Device Model Number: IO-500
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 08/20/2026
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 08/05/2026
• Initial Report FDA Received Date: 08/26/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/01/2022
• 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