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

Model Number	EU2110X15B
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	05/13/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The reported failure of ventilator inoperative 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.
Event or Problem Description
The manufacturer received information alleging a ventilator inoperative error had occurred on a trilogy evo device after software upgrade was performed.The device was not in use on a patient at the time of the occurrence.During the evaluation it was noted that an error code, ripc communication failure between the therapy and user interface central processing units (cpus), was observed on the device's error log.The third-party service technician further evaluated and determined the display printed circuit assembly (pca) and system pca had caused the ventilator inoperative to occur on the device.In conclusion, the device's display pca and system pca were replaced to address the issue.The root cause is confirmed at this time.Additionally, during the service of the device, the display pca and system pca were replaced for another error code, event presspair error, was observed on the device's error log.This was unrelated to the reportable issue.

• Brand Name: TRILOGY
• 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: 25303578
• Report Number: 2518422-2026-016808
• Device Sequence Number: 9294721
• Product Code: CBK
• UDI-Device Identifier: 00606959054981
• UDI-Public: (01)00606959054981
• Combination Product (Y/N): N
• Initial Reporter Country: PL
• PMA/510(K) Number: K181166
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Y
• Reporter Type: Manufacturer
• Report Source: Foreign,Distributor
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 05/27/2026

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
• Operator of Device: Other
• Device Model Number: EU2110X15B
• Device Catalogue Number: EU2110X15B
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/19/2026
• Initial Report FDA Received Date: 05/27/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 12/10/2021
• 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
• Patient Sequence Number: 1
• Patient Sex: Unknown