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

Model Number	KR2110X15B
Medical Device Problem Codes	Circuit Failure (1089); Battery Problem (2885); No Tactile Prompts/Feedback (4024)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/01/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The reported failure of internal battery failure and ventilator inoperative alarms 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 (b)(6).Review confirms that the device met the final acceptance criteria and was released for final distribution.
Event or Problem Description
A trilogy evo was returned to the manufacturer's service center for evaluation.There was no harm or injury reported.The device was not in patient use.During the evaluation a service required alarm condition indicating the internal battery failed.The device's internal battery was replaced to address the issue.The device alarmed for ventilator inoperative alarms indicating communication failures.The system board was replaced to address the issues.The device alarmed indicating a touchscreen failure.The device's display board was replaced to address the issue.The device logs were not available; therefore, the date of the most recent error codes occurrence could not be determined.At this time, the reported error code event date is based solely on the customer's information received and has not been confirmed through device evaluation.Additionally, not related to the reportable issue, the device alarmed indicating a detachable battery failure.The device's detachable battery was replaced to address the issue.This would not affect therapy delivery.The blower assembly was found to have corrosion and was replaced.There was no allegation of blower failure.The device failed an ambient light sensor verification test step.The front panel was replaced to address the issue.The device was tested and passed all final testing.

• 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: 50900870
• Report Number: 2518422-2026-046488
• Device Sequence Number: 5829207
• Product Code: CBK
• UDI-Device Identifier: 00606959055483
• UDI-Public: (01)00606959055483
• Combination Product (Y/N): N
• Initial Reporter Country: KS
• PMA/510(K) Number: K181166
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 09/25/2026

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: KR2110X15B
• Device Catalogue Number: KR2110X15B
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 09/01/2026
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/01/2026
• Initial Report FDA Received Date: 09/25/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/12/2021
• 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