MAUDE Adverse Event Report: INOGEN INC. INOGEN ROVE 6 PORTABLE OXYGEN CONCENTRATOR

Model Number	IO-501
Medical Device Problem Codes	No Flow (2991); Unexpected Shutdown (4019)
Health Effect - Clinical Code	Low Oxygen Saturation (2477)
Date of Event	02/25/2026
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The unit was returned for evaluation on 04-mar-2026.He unit was received with a reported oxygen error, confirmed with the contaminated zeolite.Incoming internal 02 measured 89.6% and external 02 measured 89.3%, both below specification.The issue was identified as high psa (9) caused by zeolite contamination from moisture absorption.Due to cosmetic damage the lower housing and uip were also replaced.
Event or Problem Description
It was reported that the patient's unit stopped working and was not outputting oxygen.As a result, the patient's oxygen levels dropped and they had to go to the emergency room.They were discharged the next day and troubleshooting did not resolve the issue.A replacement unit was sent to the patient.The inogen team attempted to contact the patient for further information three times with no response.

• Brand Name: INOGEN ROVE 6 PORTABLE OXYGEN CONCENTRATOR
• Common Device Name: INOGEN ROVE 6 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: 24706726
• Report Number: 3004672275-2026-00066
• Device Sequence Number: 10032204
• Product Code: CAW
• UDI-Device Identifier: 00817131020513
• UDI-Public: (01)00817131020513
• Combination Product (Y/N): N
• Initial Reporter State: HI
• Initial Reporter Country: US
• PMA/510(K) Number: K230052
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Consumer
• Initial Reporter Occupation: Non-Healthcare Professional
• Remedial Action: Replace
• Type of Report: Initial
• Report Date (Section B): 03/26/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Model Number: IO-501
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/04/2026
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/25/2026
• Initial Report FDA Received Date: 03/26/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/13/2023
• 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
• Outcome Attributed to Adverse Event: Life Threatening; Other
• Patient Sex: Unknown