MAUDE Adverse Event Report: Respironics, Inc. Trilogy Evo, Japan; Ventilator, Continuous, Facility Use

Model Number	JP2110X16B
Medical Device Problem Codes	Electrical /Electronic Property Problem (1198); Device Sensing Problem (2917)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/06/2026
Type of Reportable Event	Malfunction
Event or Problem Description
The manufacturer received a report from a customer that a trilogy evo ventilator was experiencing frequent ¿ventilator service required¿ alarms.No patient harm or injury was alleged in association with the reported condition.The device was replaced and evaluated.During the operational check, the reported ¿ventilator service required¿ alarm was reproduced.Review of the device logs identified error code 385-evt_mach_flow_drft_vsr, indicating that the amount of variation in the flow sensor had deviated from specification.The flow sensor was replaced.Dirt was also observed within the airflow path during the evaluation.Additionally, the 3-way solenoid valve was replaced after the cable was found to have been damaged by being caught in the device cover.No thermal damage or exposed wiring was observed.Following the repairs, the device successfully completed the final test, battery check, valve check, and run-in testing.The device was cleaned and confirmed to be operating properly.The device software version was confirmed to be 1.06.15.00.
Additional Manufacturer Narrative
The reported failure of ventilator service required alarm indicating that the device software detected a drift greater than 0.2 slpm in the machine flow sensor is accommodated in the product risk management file as being linked to hazard with description patient exposure to function / deterioration of 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 sn (b)(6).Review confirms that the device met the final acceptance criteria and was released for final distribution.

• Brand Name: Trilogy Evo, 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 ; +1(724)733-0200
• MDR Report Key: 50950010
• Report Number: 2518422-2026-046680
• Device Sequence Number: 9552184
• Product Code: CBK
• UDI-Device Identifier: 00606959051973
• UDI-Public: (01)00606959051973
• 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
• Type of Report: Initial
• Report Date (Section B): 09/30/2026

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: JP2110X16B
• Device Catalogue Number: JP2110X16B
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/06/2026
• Initial Report FDA Received Date: 09/30/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/14/2024
• 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