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

Model Number	MR850JHU
Medical Device Problem Code	Mechanical Problem (1384)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).Fisher & paykel (f&p) healthcare is currently 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 (b)(6) reported that the power cord of an mr850jhu respiratory humidifier was damaged with exposed wires.There was no patient or user harm reported.
Additional Manufacturer Narrative
(b)(6).Method: the subject mr850 respiratory humidifier was returned to our fisher & paykel healthcare service centre in the usa where it was inspected by a trained f&p service technician.A photograph of the power cord was also provided for evaluation.Results: the service centre and photographs confirmed that the power cord was damaged, exposing the conductive wires.The power cord was replaced as part of the service.Conclusion: the root cause of the observed damage was not determined.However, based on the provided photographs, it is likely that the power cord was cut with a sharp instrument.During production the electrical connections of the earth wires on all mr850 respiratory humidifiers are 100% tested for electrical continuity.All mr850 respiratory humidifiers are visually inspected for damaged power cords before release for distribution.Any unit that fails these tests are rejected.The subject mr850 respiratory humidifier would have met the required specifications at the time of production.The mr850 product technical manual contains a maintenance schedule which instructs the user to conduct annual visual checking, performance and electrical safety testing of the mr850 heater base.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 compliant with the following electrical standards: as/nzs 3200.1.0, can/csa 22.2 no.601.01, ul 60601-1, iec 60601-1.
Event or Problem Description
A healthcare facility in virginia reported that the power cord of an mr850jhu respiratory humidifier was damaged with exposed wires.There was no patient or user harm reported.

• 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: 23187587
• Report Number: 9611451-2025-00969
• Device Sequence Number: 21089060
• Product Code: BTT
• UDI-Device Identifier: 09420012407290
• UDI-Public: (01)09420012407290(10)2100581767(11)180912
• Combination Product (Y/N): N
• Initial Reporter State: VA
• Initial Reporter Country: US
• PMA/510(K) Number: K110019
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility
• Initial Reporter Occupation: Biomedical Engineer
• Type of Report: Initial,Followup
• Report Date (Section B): 11/18/2025

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: MR850JHU
• Device Catalogue Number: MR850JHU
• Device Lot Number: 2100581767
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/12/2025
• Supplement Date Received by Manufacturer: 10/23/2025
• Initial Report FDA Received Date: 09/30/2025
• Supplement Report FDA Received Date: 11/18/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 09/12/2018
• 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