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

Model Number	ES2110X15B
Medical Device Problem Codes	Circuit Failure (1089); Electrical /Electronic Property Problem (1198)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/27/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The reported failure of vent inop alarm associated with the therapy cpu remaining in boot monitor mode 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.
Event or Problem Description
The manufacturer received a report that a trilogy evo ventilator was unable to accept software updates.No patient harm or injury was reported.During in-process evaluation at a third-party service center, the device software was successfully upgraded to version 1.06.15.00.Device log files were downloaded and fully reviewed.Analysis identified a ¿vent inop¿ alarm associated with the therapy cpu remaining in boot monitor mode.To correct this condition, replacement of the system printed circuit assembly (pca) is required.Additionally, the in-line filter was found to be contaminated.As part of the four-year preventive maintenance, the muffler assembly, air inlet foam filter, particulate filter, and maintenance label require replacement.A final report is being submitted.If new information becomes available following the completion of the device repair that changes the outcome of the investigation, a follow up/supplemental report will be completed.

• Brand Name: TRILOGY EVO
• 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: 24998252
• Report Number: 2518422-2026-011234
• Device Sequence Number: 13214893
• Product Code: CBK
• UDI-Device Identifier: 00606959054080
• UDI-Public: (01)00606959054080
• Combination Product (Y/N): N
• Initial Reporter Country: PO
• PMA/510(K) Number: K181166
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Distributor
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 04/27/2026

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: ES2110X15B
• Device Catalogue Number: ES2110X15B
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/27/2026
• Initial Report FDA Received Date: 04/27/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 12/13/2021
• 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