Secondhand Carl Zeiss Jena ENT Surgical Microscope

Objective AI Report

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Report date: 24.11.2025

Medical Optical Examination Device (Colposcope/Microscope) Analysis Report

Device Description and Identification

The device examined in the visual is a microscope system used in medical examinations, featuring mobile (articulated) arms and an optical head. Based on its structure, ergonomics, and components, it has been determined that this device is typically an Examination Microscope or a Colposcope used for detailed imaging in gynecology, ENT (Ear, Nose, and Throat), or general surgery fields. The device consists of a main body, a light source unit, articulated arms, and a binocular head structure.

Brand and Model Analysis

During a detailed examination of the device, the inscription LG 100-1 was clearly identified on the beige-colored box located at the top (likely a light source or transformer unit). While the device’s overall design language, metallic body structure, and mechanical components resemble the standards of older optical devices (e.g., Leisegang, Kaps, or similar period products), the main brand logo cannot be clearly discerned visually. Therefore, instead of definitive brand information, the technical model code LG 100-1, which is clearly legible on the body, has been referenced in this report.

Physical Condition and State

Examinations performed on the product’s outer casing and mechanical components are as follows:

• Cosmetic Condition: The device’s paint shows abrasions, particularly at corner joints and on moving parts. Color changes (yellowing) due to age and use have been observed on metallic surfaces. The white/cream colored paint is dull.
• Cable Management: The grey power or fiber optic cables on the device are secured to the articulated arms with plastic zip ties (cable ties). This situation indicates a subsequent modification or repair rather than original assembly. The cables appear disorganized and untidy.
• Cleanliness: Dust accumulations are noticeable in the device’s recessed areas and connection points.
• Metal Components: There are grease and dirt deposits on the device’s vertical support column (metal piston-like structure).

Mechanical and Optical Component Examination

The condition of the hardware components in the visual is as follows:

• Optical Head: A binocular (double eyepiece) structure is present. The rubber eyecups appear to be in place, but there might be dust on them. The black knobs on the optical head (for focusing or zoom adjustments) appear complete.
• Movement System: The articulated arms have black clamping knobs that allow them to remain in the desired position. While these mechanical parts appear sturdy in the visual, there might be a risk of metal fatigue due to age.
• Light Source Units: The system features box-shaped power units both at the top section (where ‘LG 100-1’ is inscribed) and at the bottom base (where the electrical input is located). On the lower unit, a red-backed metal “ON/OFF” switch and an “ON” indicator are visible.

Labels and Technical Information

Visually distinguishable texts and codes on the device are as follows:

• Model/Type Code: The inscription “LG 100-1” on the upper box.
• Switches: “ON” and switch symbols on the lower power box.
• Information Plate: A metal technical information plate is visible on the left surface of the lower power box, but due to resolution, the voltage and serial number values on it are unreadable.

Originality and Modifications

While the device is an original industrial medical product, it is evident that the cabling system has been interfered with. The random use of white cable ties and the tension of the cables suggest practical solutions implemented in the field rather than a professional service procedure.

Accessories and Peripherals

In the lower part of the visual, other equipment not directly included with the device but seen within the context are as follows:

• Hose/Tube Group: In the lower left corner, transparent silicone hoses, likely belonging to an aspirator or fluid transfer system, are visible.
• Screen/Casing: In the lower right corner, a black panel (monitor or casing of another medical device) is partially in the frame.

Potential Malfunction Risk

No visible breakage or missing parts that would prevent the device from operating have been identified. However, the following points require attention:

• Cable Wear: The tension of cables passing through movable joints and their compression by cable ties may lead to internal cable breakage over time.
• Mechanical Sticking: The dirty grease layer on the vertical column could cause the height adjustment mechanism to operate with difficulty.

Intended Use and Compatibility

This system allows for the illuminated and magnified examination of a specific area of the patient (e.g., cervix or inner ear). It appears to be wall-mounted or installed on a fixed vertical stand, classifying it as stationary examination room equipment.