Secondhand Löwenstein Luisa LM150TD Home Mechanical Ventilator

Objective AI Report

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Report date: 05.03.2026

Löwenstein Medical LUISA Home Mechanical Ventilator Analysis Report

Device Identification and Information

Brand and Model: The logo and model inscription on the front panel of the device in the visuals are clearly readable as “LÖWENSTEIN medical” and “LUISA”. Visual confirmation has verified the device as a Löwenstein Medical LUISA model mechanical ventilator.

Device Type: Home life support ventilator. A battery-powered, portable medical device providing invasive and non-invasive ventilation support.

Originality: The product’s casing, interface software, screen quality, port inputs, and logo printing are fully compliant with original manufacturer standards. It is deemed original equipment.

Physical Condition and Deformation Analysis

Case Condition: There is a noticeable physical deformation on the device’s white hard plastic outer casing. On the front surface, a prominent crack/fracture line extending from the upper right corner of the carrying handle towards the “Alarm Mute” button is observed. This crack is of a nature that could affect mechanical integrity.

Screen Physical Condition: No deep scratches or cracks were detected on the 10.1-inch touchscreen. However, the screen surface is covered with a thick layer of fingerprints, dirt, and smudges. In the upper right corner, the screen protector film appears to be peeling off, or there is a deformation at the corner.

Ports and Inputs: The patient circuit outlet on the side panel appears clean. The P (Pressure) measurement input is blue and intact. SpO2, CO2, and Nebulizer ports are covered with black caps (blind plugs are installed); no bending or oxidation of pins was visually detected.

System and Software Data (Screen Analysis)

Usage Statistics: Data obtained from the “Therapy Patient” menu are as follows:

• Usage time: 243 hours 27 minutes. (It is understood that the device has a relatively low operating hour count, indicating minimal usage.)
• Days used: 18 days.
• Average Daily Usage: 812 minutes/day.
• High Flow Therapy Duration: 0:00 hours.

Settings and Status:

• Active Program: Prog 1 (PSV Mode).
• Battery Status: The battery charge level is displayed as 77% in the screen’s top information bar. The battery is functional.
• Date/Time: The system date is set to 03.03.2026, time 13:54.
• Language Option: The device interface is in Turkish.
• Menu Accesses: “Ventilation”, “Alarms”, “Report”, and “System” menus are active.

Mechanical and Electronic Component Examination

Mechanical Components: A carrying handle is present, but its durability under load may be at risk due to the crack in the body block where the handle is attached. The On/Off button (left) and Alarm button (right) are in place; the power button’s LED illumination is active in blue.

Electronic Components: No pixel loss or color distortion was observed in the screen’s image quality. It is understood from various screen visuals that the touch panel enables navigation between menus. The device is in “On” position and has successfully completed its software boot.

Accessories: Only the main unit is present in the visuals. Patient circuit (hose), charging adapter, filters, or carrying case are not visible in the image.

Usage Areas and Compatibility

Field and Purpose: This device is designed to provide respiratory support for patients suffering from respiratory failure, either at home or in a hospital setting. It meets the long-term mechanical ventilation needs in conditions such as ALS, COPD, and muscular diseases. It is suitable for use with both tracheostomized (with a hole in the throat) and mask-wearing patients.

Compatibility: The device can operate with standard single-hose or valved circuits. The SpO2 and CO2 module inputs on the side panel allow for patient monitoring with optional sensors.

Final Assessment and Risk Report

Overall Condition: Electronically, it is a near-new device (only 243 hours used). The system is actively working, and its battery is sound. However, it falls into the “defective” category cosmetically.

Quantity Information: 1 (One) Unit Löwenstein Medical LUISA Ventilator.

Potential Failure Risk: The crack on the front right body is critical. Flexing at this point while the device is being transported could lead to further opening of the casing or entry of dust/liquid into the internal electronic board. Aside from this physical damage, no electronic or software malfunction indicators are present in the visual.