MAUDE Adverse Event Report: RESPIRONICS, INC. REMSTAR PRO C-FLEX+; VENTILATOR, NON-CONTINUOUS (RESPIRATOR)

Model Number	CA461HS
Medical Device Problem Code	Degraded (1153)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/30/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The manufacturer was contacted in reference to the voluntary field safety notice/recall notification related to the sound abatement foam in certain cpap, bipap, and mechanical ventilator devices.A remstar pro c-flex+ device was returned to third party service center for evaluation, there was no report of serious or permanent harm or injury.There was no report of medical intervention.During evaluation no foam particle were noted in the air path, yet foam degradation was noted.The device sound abatement foam needs replaced to address the issue.In addition, error code: 66 (e-66: err_stuck_encoder_b), error code: 65 (e-65: err_stuck_encoder_a), error code: 62 (e-62: err_stuck_ramp_key) and error code: 63 (e-63: err_stuck_knob_key).Dust was found as contamination.The device as scrapped.
Additional Manufacturer Narrative
In previously submitted report, operator of device in box d and occupation in box e, report source in box g, reason device not evaluated and health impact code were not mentioned correctly in box h was incorrect.In this report, operator of device in box d and occupation in box e, report source in box g, reason device not evaluated and health impact code in box h has been updated/corrected.

• Brand Name: REMSTAR PRO C-FLEX+
• Common Device Name: VENTILATOR, NON-CONTINUOUS (RESPIRATOR)
• 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: 23994785
• Report Number: 2518422-2026-000946
• Device Sequence Number: 10222931
• Product Code: BZD
• UDI-Device Identifier: 00606959014084
• UDI-Public: (01)00606959014084
• Combination Product (Y/N): N
• Initial Reporter Country: CA
• PMA/510(K) Number: K191382
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Y
• Reporter Type: Manufacturer
• Report Source: Other,Company Representative
• Initial Reporter Occupation: 505
• Remedial Action: Recall
• Type of Report: Initial,Followup
• Report Date (Section B): 04/09/2026

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: CA461HS
• Device Catalogue Number: CA461HS
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 12/30/2025
• Supplement Date Received by Manufacturer: 04/09/2026
• Initial Report FDA Received Date: 01/07/2026
• Supplement Report FDA Received Date: 04/09/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 03/08/2013
• 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: A
• If action reported to FDA under 21 USC 360i(g), list FDA-assigned Recall Number or include a statement: Z-1974-2021
• Patient Sequence Number: 1
• Patient Sex: Unknown