Secondhand Plusmed Puro CTB01 5L/min Oxygen Concentrator

Objective AI Report

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Report date: 28.01.2026

plusMED PURO 5LPM Oxygen Concentrator Analysis Report

Device Identification, Brand and Model

As a result of the detailed visual analysis, the device shown has been identified as a medical-grade, stationary type oxygen concentrator. Based on the information on the product’s front panel and rear label, the brand and model details are as follows:

• Brand: plusMED
• Model: PURO (5LPM Oxygen Concentrator)
• Model Type/Code: The “CTB01” option is marked on the label.
• Manufacturer: EMG TECHNOLOGY CO., LTD. (Taiwanese origin)

The device is in the form of a standard home-use oxygen device with a capacity of 5 liters/minute.

Originality and Manufacturer Information

Upon examining the print quality of the label on the rear of the device, the “CE 0434” certification logo, serial number, and the arrangement of technical data, it is evident that the product is an original plusMED product. The phrase “Made in Taiwan” is clearly visible on the label as the place of manufacture.

Physical Condition and Deformation Analysis

The product’s outer casing is made of hard plastic in a beige color. Upon examining the visuals, the noticeable physical conditions are as follows:

• Color Change: Yellowing (color tone differences) caused by time and possibly sunlight is present on the device’s plastic casing, especially on the top and front panels.
• Dirt and Dust: An accumulation of dust and dirt layer has been observed around the control panel, button edges, and the humidifier reservoir slot. The device generally requires thorough cleaning.
• Casing Integrity: No deep cracks, breaks, or fragmentation have been observed on the casing. However, it shows signs of heavy cosmetic use.

Technical Specifications and Label Information

Technical data obtained from the device’s rear label is listed below:

• Serial Number: 10209230
• Maximum Flow Rate: 5LPM (5 Liters Per Minute)
• Oxygen Concentration: Up to 95.5% in the 1-3 LPM range; 90% (± 3%) at 5 LPM.
• Electrical Ratings: 230 VAC, 50 Hz, 2.0 Amp, Single Phase
• Classification: Class II, Type B

Mechanical and Electronic Components

The mechanical and electronic components of the device have been analyzed through the visuals as follows:

• Control Panel: On the upper part of the device, there is a digital display panel (Hours), an on/off (I/O) switch, “Service Required” and “Power” indicator lights. The buttons are physically in place.
• Flowmeter: On the front right side, there is a ball-type flowmeter with a manual adjustment knob, numbered from 1 to 5. No breakage is visible inside the tube.
• Wheels: The device has wheels underneath that provide mobility. The front wheels are visible and appear to be in place.

Accessories and Consumables

The accessories present on and next to the device in the visual are as follows:

• Humidifier Water Bottle: A transparent water reservoir with a black lid is placed in the front slot of the device. The bottle appears empty or its water has dried up. There is dullness on the outer surface of the bottle.
• Oxygen Cannula/Tubing: A transparent oxygen tubing (cannula) is left haphazardly on the device. Bends and discoloration (yellowing) are present on the tubing; this part may need to be replaced for hygiene reasons.

In the visuals, the power cable (electrical plug) is partially seen dangling from the back/side of the device, but its end is not clearly within the frame. Quantity Information: The visuals show a total of 1 main device, 1 humidifier bottle (attached), and 1 tubing set.

Areas of Use and Purpose

The plusMED PURO oxygen concentrator is a medical device that takes in ambient air, separates nitrogen from it, and provides high-concentration oxygen (close to pure oxygen) to the patient. It is generally used in the following areas:

• For home treatment processes of patients suffering from COPD, asthma, and other respiratory insufficiencies.
• In the living spaces of individuals who require continuous oxygen support.

Usage Duration and Display Analysis

On the upper panel of the device, there is a digital counter display under the “Hours” indicator. However, due to the screen being off and the layer of dust/dirt on it, the total operating hours cannot be read from the visual. This counter typically shows the total number of hours the device has operated.

Malfunction Status and Potential Risk Analysis

No obvious breakage (major casing damage, severed cable, etc.) that would prevent the device from operating is visible. However, the following points should be considered:

• Maintenance Requirement: Since the “Service Required” light on the device is off (device powered down), it is not possible to determine from the visual whether there is an active malfunction. However, heavy dirt and plastic yellowing indicate that the device has been used for a long time or has been stored for a while. Filter replacement may be due.
• Hygiene Risk: The humidifier water bottle and tubing are personal use parts and appear worn. It is recommended that these parts be replaced before use.

General Condition Assessment

The device is in the worn/used category in terms of overall condition. While its mechanical parts appear complete, it is observed to require significant cosmetic cleaning, filter maintenance, and accessory (tubing/water bottle) replacement. The electronic functionality of the device cannot be visually verified without plugging it in and operating it.