Secondhand Fisher-Paykel MR850AFU Mechanical Ventilator Humidifier

Objective AI Report

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Report date: 29.07.2025

Fisher & Paykel MR850 Heated Respiratory Humidifier Analysis Report

Device Description and Area of Use

The device shown in the images is a MR850 model heated respiratory humidifier, manufactured by Fisher & Paykel. This device is used for heating and humidifying the air delivered to patients receiving mechanical ventilation, positive pressure respiratory support, or other medical gas therapies. It is a versatile system suitable for adult, pediatric, and neonatal patients in both invasive and non-invasive (via mask) treatments. Its primary function is to increase patient comfort and support respiratory tract functions by bringing the gas delivered to the airways to a temperature close to body temperature (37°C) and saturating it with humidity.

Quantity and Authenticity

The images show a total of 1 Fisher & Paykel MR850 humidifier device and 1 transparent water chamber attached to it. The logo on the device, the control panel buttons, and the overall quality of workmanship indicate that the product is an original Fisher & Paykel manufacture.

General Status and Condition Assessment

The overall condition of the device is assessed as used. No significant discoloration or yellowing is observed on its white casing and blue chamber seat. While the surfaces appear generally clean, slight signs of use may be noticeable upon close inspection. The device does not exhibit any clear indication of a functional issue and is in good condition.

Physical and Mechanical Analysis

• Casing: The white and blue plastic casing of the device does not have any significant deformations such as deep scratches, cracks, or dents. Its surface is generally smooth.
• Water Chamber: The transparent water chamber is intact and free of cracks. The blue caps on it are in place. The inner and outer surfaces of the chamber appear clean.
• Control Panel and Buttons: The power, mode selection, and alarm mute buttons on the front panel are in good physical condition. There is no fading or wear on the symbols on them.
• Connectors: There are yellow and blue color-coded connector ports on the side of the device. These ports are used for connecting sensor and heater wire cables and show no signs of cracks or damage.

Electronic and Display Analysis

There is a small digital display on the front panel of the device. The screen is off in the image as the device is not powered on, but it features a “°C” symbol and icons indicating various modes (invasive and non-invasive mode icons). These icons confirm that the device is capable of temperature display and switching between different therapy modes. The power cord extending from the back of the device is visible, and no issues such as crushing or wear have been identified on it.

Label Information

There is a label on the side of the device containing warnings and technical information. However, the resolution of the images does not permit a clear reading of specific details on this label, such as the serial number, REF code, or lot number. The presence and format of the label are consistent with original product standards.

Potential Fault Risk

Based on the visual inspection, no immediate risk of a fault is anticipated. The integrity of the casing, intact connectors, and the overall clean appearance suggest the device has been well-maintained. No condition that could pose a potential fault risk, such as rust, severe crushing of cables, or cracks in the plastic components, has been observed. This assessment is based solely on visual evidence and does not imply that the device is free of electronic or mechanical faults.