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

Model Number	DS2110X11B
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	09/02/2026
Type of Reportable Event	Malfunction
Event or Problem Description
A trilogy evo ventilator was returned to the manufacturer's service center for evaluation.There was no harm or injury reported.During the evaluation, a ventilator inoperative alarm was observed indicating data in eeprom was corrupt on the system/cpu.The system printed circuit assembly (pca) needed to be replaced to correct the issue.A final report is being submitted.If new information becomes available that changes the outcome of the investigation, a follow up/supplemental report will be completed.
Additional Manufacturer Narrative
The reported failure of ventilator inoperative alarm indicating data in eeprom was corrupt on the system/cpu 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.The device logs were not available; therefore, the date of the most recent ventilator inoperative occurrence could not be determined.Accordingly, the date the device was evaluated has been used as the event date for reporting purposes.Dhr review was performed for the complaint device sn.Review confirms that the device met the final acceptance criteria and was released for final distribution.

• 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 ; +1(724)733-0200
• MDR Report Key: 50945584
• Report Number: 2518422-2026-046645
• Device Sequence Number: 9623978
• Product Code: CBK
• UDI-Device Identifier: 00606959051942
• UDI-Public: (01)00606959051942
• Combination Product (Y/N): N
• Initial Reporter State: GA
• Initial Reporter Country: US
• PMA/510(K) Number: K181166
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Distributor
• 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: DS2110X11B
• Device Catalogue Number: DS2110X11B
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/02/2026
• Initial Report FDA Received Date: 09/30/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 12/16/2021
• 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