MAUDE Adverse Event Report: FISHER & PAYKEL HEALTHCARE MR850; RESPIRATORY HUMIDIFIER

Model Number	MR850AGU
Medical Device Problem Code	No Audible Alarm (1019)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).Method: the subject mr850 respiratory humidifier was received at our fisher & paykel (f&p) healthcare regional office in germany where it was inspected by a trained f&p service technician.Our investigation is thus based on the evaluation of the subject device, the information provided by the healthcare facility, previous investigations of similar complaints, and our knowledge of the product.Results: performance testing of the mr850 respiratory humidifier identified that the speaker was non-operational, confirming the reported issue.Conclusion: f&p healthcare's investigation was unable to determine the root cause of the reported issue.The mr850 respiratory humidifier product technical manual contains a maintenance schedule which instructs the user to conduct annual visual checking and performance testing of the mr850 respiratory humidifier.In addition, the product technical manual also states that "all servicing procedures should be followed by a humidifier test, and an electrical safety test to ensure proper operation".The mr850 respiratory humidifier is equipped with visual alarm indicators in addition to the audible alarm.
Event or Problem Description
A healthcare facility in germany reported via a fisher & paykel (f&p) healthcare field representative, that the audible alarm of an mr850 respiratory humidifier was not functioning.There was no patient involvement as the issue was found whilst the device was not in use on a patient.

• Brand Name: MR850
• Common Device Name: RESPIRATORY HUMIDIFIER
• Manufacturer (Section D): FISHER & PAYKEL HEALTHCARE; 15 maurice paykel place; east tamaki; auckland, 2013 ; NZ 2013
• Manufacturer (Section G): FISHER & PAYKEL HEALTHCARE LTD; 15 maurice paykel place; east tamaki; auckland, 2013 ; NZ 2013
• Manufacturer Contact: diego vargas banuelos ; 17400 laguna canyon road; suite 300; irvine, CA 92618 ; 9494341005
• MDR Report Key: 24372163
• Report Number: 9611451-2026-00575
• Device Sequence Number: 20062195
• Product Code: BTT
• UDI-Device Identifier: 09420012407238
• UDI-Public: (01)09420012407238(10)2101179801(11)200701
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: K110019
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,User Facility,Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 06/02/2026

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: Health Professional
• Device Model Number: MR850AGU
• Device Catalogue Number: MR850AGU
• Device Lot Number: 2101179801
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 01/22/2026
• Supplement Date Received by Manufacturer: 05/04/2026
• Initial Report FDA Received Date: 02/17/2026
• Supplement Report FDA Received Date: 06/01/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 07/01/2020
• 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: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown