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

Model Number	MR850AEK
Medical Device Problem Codes	Defective Alarm (1014); 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).Fisher & paykel healthcare (f&p) is in the process of completing our investigation.We will provide a follow-up report upon completion of our investigation.
Event or Problem Description
A healthcare facility in the united kingdom reported that the audible alarm of the mr850 respiratory humidifier was not functioning.There was no reported patient involvement.
Event or Problem Description
A healthcare facility in the united kingdom reported that the audible alarm of the mr850 respiratory humidifier was not functioning.There was no reported patient involvement.
Additional Manufacturer Narrative
(b)(4).Method: the subject pcb of the mr850 respiratory humidifier was returned to fisher & paykel (f&p) healthcare in new zealand for evaluation.Results: testing of the subject pcb confirmed that there was distorted sound coming from the speaker.The subject speaker was also disassembled and visually inspected, no damage or foreign objects were observed in the pcb.The wire coils of the speaker were observed to be intact with no breaks visible.Conclusion: the cause of the speaker fault was due to the speaker impedance being out of specification.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.

• Brand Name: FISHER & PAYKEL HEALTHCARE
• Common Device Name: RESPIRATORY HUMIDIFIER
• Manufacturer (Section D): FISHER & PAYKEL HEALTHCARE LTD; 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 banuelos ; 17400 laguna canyon road; suite 300; irvine, CA 92618 ; 9494341005
• MDR Report Key: 22562053
• Report Number: 9611451-2025-00673
• Device Sequence Number: 21137286
• Product Code: BTT
• UDI-Device Identifier: 09420012407184
• UDI-Public: (01)09420012407184(10)2102539405(11)230306
• Combination Product (Y/N): N
• Initial Reporter Country: UK
• 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,Health Professional,User Facility
• Initial Reporter Occupation: Biomedical Engineer
• Type of Report: Initial,Followup
• Report Date (Section B): 08/18/2025

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: MR850AEK
• Device Catalogue Number: MR850AEK
• Device Lot Number: 2102539405
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 07/10/2025
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/26/2025
• Supplement Date Received by Manufacturer: 08/14/2025
• Initial Report FDA Received Date: 07/21/2025
• Supplement Report FDA Received Date: 08/17/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/06/2023
• 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