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

Model Number	DS2110X11B
Medical Device Problem Code	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
The manufacturer received information alleging a power v_bus dropped error code had occurred on a trilogy evo device.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, event power vbus dropped, was observed on the device's error log.The third-party service technician provided no documentation stated on a root cause and/or any component replacement to resolve the event power vbus dropped error code.Another error code, event soft power fail, was observed on the device's error log.The third-party service technician provided no documentation stated on a root cause and/or any component replacement to resolve the event soft power fail error code.There was no repair information was provided, and no part(s) were replaced to address this issue due to the customer request to scrap the device.The root cause isn't confirmed at this time.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 and associated medical device reporting a supplemental report will be completed.Additionally, during the service of the device, the muffler assembly, particulate filter, and air inlet foam filter needs replaced for preventative maintenance unrelated to the reportable issue.The proportional valve and three-way solenoid valve needs replaced for contamination and preventative maintenance unrelated to the reportable issue.The detachable battery needs replaced for preventative maintenance and for an error code, event detach batt connected depleted, that was observed on the device's error log.This was unrelated to the reportable issue.The internal battery pack needs replaced for preventative maintenance and an error code, event internal batt depleted, that was observed on the device's error log.This was unrelated to the reportable issue.
Additional Manufacturer Narrative
The reported failure of a power vbus failed error 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 sn h320093677714.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: 50949243
• Report Number: 2518422-2026-046671
• Device Sequence Number: 18529887
• 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
• Serviced by Third Party (Y/N): Y
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• 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
• Operator of Device: Other
• 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): No
• Date Device Manufactured: 10/06/2021
• 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