Secondhand Medwelt 7F-5B 5L/min Oxygen Concentrator

Objective AI Report

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Report date: 11.11.2025

Medwelt 7F-5B Oxygen Concentrator Analysis Report

Overview and Device Identification

The product shown in the visuals is an oxygen concentrator used for medical purposes. The device is designed to provide higher concentrations of oxygen by separating nitrogen from ambient air. This report presents a detailed analysis of the product based on visual evidence.

• Product Type: Oxygen Concentrator
• Brand: Medwelt
• Model: 7F-5B
• Quantity: 1 main device and 1 humidifier chamber attached to it are available.

Authenticity and Brand Identification

On the front of the device, the “+ Medwelt” logo and immediately below it, the “7F-5B” model code are clearly legible. The labels on the product casing, print quality, logo placement, and overall craftsmanship indicate that the device is an original Medwelt product. No signs of imitation or counterfeiting were observed.

Area of Use and Purpose

This device is used for patients who require supplemental oxygen due to medical conditions such as respiratory failure or chronic obstructive pulmonary disease (COPD). Thanks to the adjustable flow meter, it provides oxygen support at the rate determined by the physician. The humidifier chamber integrated into the device helps prevent the supplied oxygen from drying out the patient’s respiratory tract.

General Condition and Assessment

The overall condition of the product is quite good, giving the impression of a lightly used device. The device’s white plastic casing appears clean and well-maintained. No yellowing, color fading, or noticeable staining has been observed. Based on visual inspections, the device can be said to be in good condition.

Physical Deformation Analysis

A detailed examination of the device’s outer casing revealed no dents, cracks, fractures, or deep scratches. The surface is generally smooth and undamaged. No signs of impact were found on the corners or edges. This suggests that the device has been used carefully and maintained well.

Mechanical and Electronic Components

As can be understood from the visuals, there are no significant issues with the mechanical and electronic components of the device.

• Mechanical Components: The wheels located at the bottom of the device appear sturdy. The flow meter knob on the front panel, the humidifier chamber slot, and the cover labeled “LIFT TO OPEN” seen on the side are physically in good condition.
• Electronic Components: The front panel features a digital screen, control buttons, and a power button. Since the screen is off, it is not possible to determine if it is working or if there are any error codes displayed. However, the panel itself has no physical damage, cracks, or scratches. The “POWER”, “I/O”, and “▲” and “▼” buttons used for timing adjustment are in place and undamaged.

Accessories and Connection Points

The only accessory visible with the device is the transparent humidifier chamber attached to the front panel. The chamber is clean and in good condition. A metallic “OXYGEN OUTLET” (Oxygen Outlet) is located on the front panel of the device. No power cable, oxygen cannula, or other external accessories are present in the visuals.

Screen and Label Information

The device features various informational labels and a digital screen.

• Screen Panel: The digital screen displays “COUNTS (Hours)” and “TIMING (Minutes)” headings. This indicates that the screen shows the total operating hours and the current session duration. Since the screen is off, information regarding the operating hours could not be obtained.
• Top Label: On the top surface of the device, there is a large label containing warnings and usage instructions in various languages. The content of this label focuses on safety warnings. A specific serial or lot number could not be read from the label.

Potential Malfunction Risk

Based on the evaluation from the visuals, there is no concrete evidence to suggest that the device carries a potential malfunction risk. The casing integrity is preserved, mechanical parts are in place, and no alarming conditions such as rust, corrosion, or crushed cables have been observed. The current physical condition of the device indicates that, assuming it operates correctly, it can provide trouble-free service for a long time.