Secondhand Ömür Fess Surgical Instrument Set

Objective AI Report

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Report date: 10.12.2025

Ömür Brand Surgical Kerrison Punch (Laminectomy) Set Analysis Report

Device Identification and Description

The visuals show manual hand instruments made of metallic (stainless steel) material, used in surgical operations. Upon examining their structural forms, long shafts, and “biting/cutting” mechanisms at the tips, these instruments have been identified as Kerrison Rongeurs (Laminectomy Punch) used for removing bone tissue in spinal surgery and neurosurgery.

Brand and Model Information

The brand and model codes, engraved using a laser method on the products, have been analyzed in detail. The ÖMÜR brand and its corresponding manufacturer’s logo are clearly visible on the instruments in the visual. The identified model codes and reference numbers are listed below:

• ÖMÜR R-2753 (Read on the uppermost, straight-shafted instrument)
• ÖMÜR AT-3261 (Clearly read on one of the instruments in the middle)
• ÖMÜR SS-3092 (Read on the handle of the instrument in the lower section)
• Partial numbers are also visible on other instruments in the group (e.g., …2932), and based on the font style and material structure, the entire group is understood to belong to the same brand.

Originality and Origin

The quality of the laser marking on the devices, the font styles, the way the logo is processed, and the overall craftsmanship of the instruments indicate that the products are original ÖMÜR brand surgical instruments. There is no visual suspicion of aftermarket or counterfeit production.

Areas of Use

These instruments (Kerrison Punches) are primarily used in orthopedic and brain surgery (neurosurgery) branches. Their primary functions are:

• To remove bone or ligament tissue in small pieces by biting/cutting in spinal surgery (laminectomy, discectomy, etc.).
• To widen bone canals to relieve nerve roots.
• To provide controlled bone resection in delicate areas.

Quantity Information

Upon analyzing the mixed stacking in the visual, by following the handle rings and shaft tips, a total of 5 units of surgical Kerrison punches have been identified.

General Condition and Physical State

The instruments are in a “used” condition. However, their structural integrity appears to be preserved. The surfaces show normal dulling and slight superficial marks due to use and sterilization cycles. Severe corrosion, rust, or deep pitting are not apparent on the devices in the visual.

Mechanical and Design Features

Observations regarding the mechanical components of the products are as follows:

• Joints: The pivot screws in the handle sections are in place. No missing screws or pins are visible.
• Shaft and Tip Structure: The shafts (tubes) of the instruments are in proper form. The tips (jaws) are designed at different angles (some may be 45 degrees upward, some 90 degrees), indicating that they form a set for various surgical access needs.
• Trigger Mechanism: A sliding system is present where the tip moves with the movement of the hand grips. From an external view, the slide laminae are properly positioned on the shaft.

Size and Compatibility

The jaw openings and shaft lengths of the instruments may vary. The differences in model numbers (R-2753, AT-3261, SS-3092) likely indicate variations in tip widths (e.g., 2mm, 3mm, 4mm, etc.) and shaft lengths or cutting angles. This provides a variety of sets from which a surgeon can choose according to their needs during surgery.

Accessories

Only the surgical hand instruments themselves are present in the visual. No sterilization container, protective tip cap, or external accessory is visible.

Label and Identifying Information

The only identifying information on the products consists of the brand and model codes laser-engraved onto the metal. Apart from this, no adhesive paper label, barcode, or inscription containing a production date is present. Model codes (Ref Codes) are also key information indicating the technical specifications of the product.

Potential Risk Analysis

Although the products appear robust, the sharpness of the cutting tips (biting jaws) cannot be verified from the visual. Dullness is a common condition in surgical instruments and may require resharpening or maintenance. Furthermore, it is recommended to confirm through physical inspection whether there is any loosening in the joint points due to long-term use. No obvious breakage or bending that would impede the instrument’s function has been detected in the visual.