MAUDE Adverse Event Report: RESPIRONICS, INC. TRILOGY 100; VENTILATOR, CONTINUOUS, FACILITY USE

Model Number	1054655B
Medical Device Problem Codes	Mechanical Problem (1384); Failure to Calibrate (2440)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/23/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The reported failure of the active exhalation proportional valve test 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.
Event or Problem Description
The manufacturer received information that a trilogy 100 ventilator was returned for service.There was no serious patient harm or injury that occurred or was reported.The device was evaluated at a manufacturer's service center.During testing, the unit failed the active exhalation proportional valve test.Further investigation determined that the active exhalation control module (aecm) required replacement to correct the issue.Additionally, unrelated to the reportable malfunction, the unit failed the nurse call on test step.There was no indication that there was an issue with the nurse call connector.The interface printed circuit assembly (pca) was replaced to address the issue.Additionally, the pollen filter was replaced as part of preventive maintenance.Since scratches were confirmed, the front enclosure overlay was replaced.Following repair, the device successfully passed all required verification procedures, including repair verification testing, alarm testing, battery performance testing, and run-in testing.The device was also cleaned in accordance with standard procedures.The device was confirmed to be operating within specification and was returned to service.

• Brand Name: TRILOGY 100
• 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: 24910279
• Report Number: 2518422-2026-010968
• Device Sequence Number: 15909649
• Product Code: CBK
• UDI-Device Identifier: 00606959052345
• UDI-Public: (01)00606959052345
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K083526
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 04/17/2026

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: 1054655B
• Device Catalogue Number: 1054655B
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/18/2026
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/23/2026
• Initial Report FDA Received Date: 04/17/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/02/2020
• 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