Secondhand Löwenstein Prisma 25ST BPAP ST Device with Humidifier

Objective AI Report

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Report date: 22.10.2025

Löwenstein Medical Prisma20ST Respiratory Device Analysis Report

Product Description and Contents

The visuals show a PAP (Positive Airway Pressure) device and its accessories used for sleep and respiratory therapy. The device is primarily used in the treatment of respiratory-related disorders, such as sleep apnea. The set in the visual consists of a main unit, a humidifier, a hose, two different types of masks, and a carrying bag. Such devices filter ambient air and deliver it to the user at a specific pressure, thereby ensuring the airway remains open during sleep.

A total of 7 product items have been identified:

• 1 main respiratory device unit
• 1 water chamber (humidifier)
• 1 respiratory hose
• 2 respiratory masks (different types)
• 1 power cable (visible inside the bag)
• 1 black carrying bag

Brand and Model

As a result of a detailed examination of the visuals, the brand and model of the device have been clearly identified. The Löwenstein Medical brand and Prisma20ST model inscription are clearly visible on the device.

General Condition and State

The device is a used product, generally in good and well-maintained condition. No significant wear or damage has been observed on the parts. The device’s screen appears to be in working order. The accessories present a clean and ready-to-use appearance.

Physical and Mechanical Evaluation

The physical condition of the product has been analyzed based on visual evidence as follows:

• Casing: The black casing of the device has no significant scratches, cracks, or discoloration. Its surface is clean.
• Humidifier Chamber: The transparent plastic water chamber is intact and clean. No signs of leakage or breakage have been observed.
• Mechanical Components: Mechanical parts such as the device’s rotary control knob, hose connection point, and filter cover are in place and appear to be functioning smoothly. The connection and adjustment mechanisms of the masks are also intact.

Accessories and State

The accessories provided with the device are as follows:

• Carrying Bag: A black carrying bag designed to store all the device and its accessories is available and in good condition.
• Hose: The standard grey, flexible respiratory circuit hose is intact and has no holes or tears.
• Masks: Two different types of respiratory masks are present. The silicone cushions and head straps of both masks are in good condition.
• Cables: A power cable is visible inside the carrying bag. There is no deformation in the socket or cable connections.

Technical Information and Labels

The following information can be read from the label on the side of the device:

• Serial Number (SN): 98237820
• Date Code: 2023-01 (This code may indicate the manufacturing or service date)

Additionally, there are other labels on the top and side of the device, which appear to belong to service providers.

Screen Analysis

The device has a color LCD screen. In one visual, the screen was observed to be working, displaying the time “12:42”. On the right side of the screen, various icons (information, settings, etc.) indicating menu options or device status are present. The screen’s brightness and clarity are in good condition.

Potential Risk Assessment

No obvious risk factors that could impede the device’s operation or lead to a malfunction in the near future have been detected in the visuals. The generally clean and well-maintained condition of the device suggests it is regularly inspected. Potential malfunction risks such as crushed cables, cracked casing, or leaks in the humidifier unit have not been observed. Based on the product’s current condition, it is anticipated that it can be used safely.