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

Model Number	ES2110X15B
Medical Device Problem Codes	Circuit Failure (1089); Battery Problem (2885)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/24/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The reported failure of the printed circuit board assembly 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 reported failure of the internal battery to charge 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.
Event or Problem Description
The manufacturer received information that a trilogy evo ventilator was returned to the third-party service center for evaluation.There was no patient involvement, and no harm or injury reported.On evaluation, review of the device error log indicated record of error code e-47 indicating the internal li-ion battery is reporting a permanent failure.Replacement of the internal li-ion battery is required to address this issue.Device error code e-156 was also noted in the device error log indicating a ventilator inoperative condition of the therapy central processing unit (cpu) still running in boot monitor software.The system printed circuit board assembly (pca) replacement is required to address this issue.Additional findings not related to the malfunction/issue: the main housing, internal battery door, front panel button and warning label were damaged.The blower assembly, machine flow sensor, tubing system pca, tubing fio2, tubing blower chassis and tubing low flow oxygen were contaminated with dirt and dust.The filter cover was missing.Four-year preventative maintenance was completed on the device.

• 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: 25015511
• Report Number: 2518422-2026-011260
• Device Sequence Number: 21261057
• Product Code: CBK
• UDI-Device Identifier: 00606959054080
• UDI-Public: (01)00606959054080
• Combination Product (Y/N): N
• Initial Reporter Country: SP
• 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,Company Representative,Distributor
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 06/01/2026

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: ES2110X15B
• Device Catalogue Number: ES2110X15B
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/07/2026
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/24/2026
• Supplement Date Received by Manufacturer: 05/30/2026
• Initial Report FDA Received Date: 04/28/2026
• Supplement Report FDA Received Date: 06/01/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 12/08/2021
• 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