MAUDE Adverse Event Report: RESPIRONICS, INC. TRILOGY EVO, O2, JAPAN; VENTILATOR, CONTINUOUS, FACILITY USE

Model Number	JP2100X16B
Medical Device Problem Codes	Computer Software Problem (1112); Electrical /Electronic Property Problem (1198)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/30/2026
Type of Reportable Event	Malfunction
Event or Problem Description
The manufacturer received information alleging that during a pre-use check of a trilogy evo o2 japan ventilator, a continuous alarm sounded and the screen failed to start up.Because the screen did not display, the specific alarm condition could not be identified.The device was not in patient use at the time of the event.No patient injury or harm was reported.The device was returned to the manufacturer for evaluation.Investigation confirmed that the ventilator powered up in a ¿ventilator inoperative¿ alarm state.Review of the event log identified an error code indicating that fluctuation levels detected by the flow sensor deviated from established specifications.Restoration procedures were performed using dedicated service software, which resolved the issue.As a preventive measure, the device flow sensor was replaced.Final functional testing, battery check, valve check, run-in testing, and cleaning were completed, and the device was confirmed to be operating properly.Additionally, the software was upgraded from version 1.06.10.00 to version 1.06.15.00.
Additional Manufacturer Narrative
The reported failure of machine flow sensor drift above the specification is accommodated in the product risk management file as being linked to hazard with description loss of function/loss of primary function.Complaints for this failure are reviewed via the post market complaint trending and escalation processes to assess for the observed probability levels and compare them with the predicted levels in the risk file for the hazards linked to the failure.As of the date of submission for this report, there is no indication that complaints for the failure in question has led to unacceptable increase in probability levels for the hazardous situations in scope, and therefore no further action will be pursued.Qa continues to monitor complaints for this issue per the cadence in the complaint trending procedures.Dhr review was performed for the complaint device serial number, (b)(6) review confirms that the device met the final acceptance criteria and was released for final distribution.

• Brand Name: TRILOGY EVO, O2, JAPAN
• Common Device Name: VENTILATOR, CONTINUOUS, FACILITY USE
• Manufacturer (Section D): RESPIRONICS, INC.; 1001 murry ridge lane; murrysville PA
• Manufacturer (Section G): RESPIRONICS, INC.; 1001 murry ridge lane; murrysville PA
• Manufacturer Contact: melissa rosko ; 1001 murry ridge lane; murrysville, PA ; 7247330200
• MDR Report Key: 25326020
• Report Number: 2518422-2026-017347
• Device Sequence Number: 15894560
• Product Code: CBK
• UDI-Device Identifier: 00606959055582
• UDI-Public: (01)00606959055582
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K181166
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 05/29/2026

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
• Device Model Number: JP2100X16B
• Device Catalogue Number: JP2100X16B
• Was Device Available for Evaluation?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/30/2026
• Initial Report FDA Received Date: 05/28/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/28/2022
• 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
• Patient Sequence Number: 1
• Patient Sex: Unknown