Secondhand Siemens 900C Intensive Care Mechanical Ventilator

Objective AI Report

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Report date: 18.03.2026
Report code: 1773842601

Siemens Servo Ventilator 900C Analysis Report

Device Identification and Basic Information

The product in the image is a mechanical ventilator device used to provide respiratory support to patients.

• Brand: Siemens
• Model: Servo Ventilator 900C
• Quantity: 1 main unit
• Originality: Upon examining the placement of brand logos on the device, dial designs, typography, and overall casing structure, the product is assessed to be original.

Applications and Compatibility

The device is a mechanical ventilator designed for patients requiring respiratory support. Upon examining the control knobs and switches on the front panel, the following usage features have been identified.

• Patient Compatibility: Thanks to the switch located on the panel, it is observed to be suitable for use with both infant (INFANTS) and adult (ADULTS) patients.
• Ventilation Modes: It is understood that various ventilation modes such as VOL. CONTR., PRESS. CONTR., PRESS. SUPPORT, SIMV, CPAP, and MAN. can be selected from the adjustment knobs on the panel.

Physical Condition and State

The overall condition of the device is old and used. In the image, the device is seen outdoors, resting on a hard surface such as asphalt or concrete.

• Casing Condition: There are no significant dents, deep scratches, or large dings on the metal outer casing. A slight misalignment or gap is noticeable on the right side of the upper metal cover.
• Wear and Dirt: The white plastic components on the front panel show yellowing due to age and use. Dust and dirt accumulations are present throughout the device, especially between the knobs, around the dial frames, and on the top surface.
• Accessories: No power cable, breathing circuit (patient hoses), humidifier unit, or external accessories belonging to the device are visible in the image. Only the main unit is present.

Mechanical and Electronic Components

The mechanical and electronic control units on the front panel have been examined in detail.

• Indicators: The device features three analog dials. The upper body has a dial indicating working pressure, while the lower panel has an “EXPIRED MINUTE VOLUME” (l/min) dial on the left and an “AIRWAY PRESSURE” (cmH2O) dial on the right. There are no cracks or breaks in the dial glasses.
• Control Knobs: Numerous rotary knobs and metal switches used for parameter settings appear complete on the panel. No physical breaks or detachments have been detected on the knobs.
• Display: A digital LED display panel is located in the lower right corner. Since the device’s power is off, no data, light, or error codes are visible on the screen.
• Connection Ports: On the right side of the device, there are metal mounting rails and metal fittings presumed to be for gas input. A metal protective cover labeled “PRESET WORKING PRESSURE” is hanging in the upper middle part of the front panel.

Label and Document Analysis

Two labels, affixed later, are present on the device’s outer casing. The information on these labels is listed below.

• Institution Label: The white label in the upper left corner contains the text “HTC ÖZEL ÇEKİRGE KALP ARİTMİ HASTANESİ” and the inventory number “DEMİRBAŞ NO 161538”.
• Calibration Label: The green label in the upper right corner bears the inscription “HTC KULLANIMA UYGUNDUR” (HTC SUITABLE FOR USE). The Device No is stated as “HTC23-05.0139”. The calibration date is written as “JUNE 2023”, and the validity date as “DECEMBER 2023”.

Potential Malfunction Risk

The device being outdoors, directly on the ground, and the accumulated dust on it, may pose a potential risk of malfunction due to contamination in the internal electronic and pneumatic components. Furthermore, according to the label, the expiration of the calibration validity period (December 2023) indicates that the device may not be able to perform precise measurements in its current state. Although no severe physical damage is visible, due to environmental exposure and lack of calibration, there is a high probability that technical intervention will be required before use.