Surgical Chisel-Scalpel Vienna Model, Straight, 2 mm Width - Helmut Zepf (41.540.02WM) - Delynov

What is the Helmut Zepf Vienna model chisel-chisel?

The Vienna model chisel-chisel, referenced under code 41.540.02WM by Helmut Zepf, is a manual surgical instrument designed for bone work. This device is distinguished by its straight shape and its extremely fine working part. Unlike wider standard chisels, this specific model allows for a delicate approach to hard tissues. Manufactured by Helmut Zepf Medizintechnik GmbH, this instrument is intended for practitioners requiring specialized instrumentation for bone micro-incisions and precise rectifications in oral surgery. Its monoblock structure ensures direct transmission of force when using a surgical mallet if necessary.

What are the clinical indications for this instrument?

This straight dental chisel-chisel is primarily indicated for fine bone surgery procedures. In implantology, it is used for recipient site preparation, particularly during the regularisation of the alveolar ridge or for the removal of small exostoses hindering implant positioning. In periodontology, it allows for osteoplasties or corrective osteotomies to be performed with great selectivity. Its small width of 2 mm makes it particularly useful for intervening in narrow interdental spaces or during localized bone harvesting where preservation of adjacent tissues is critical. It is also suitable for detaching bone fragments during complex extractions.

What are the technical characteristics of model 41.540.02WM?

The Helmut Zepf chisel-chisel features rigorous technical specifications to meet the needs of modern implantology. Its main characteristic is its 2 mm blade width, which classifies it among fine chisel-chisel type instruments. The configuration is 'straight' type, offering a working axis aligned with the handle for better visibility and perfect axial control during manual or percussive pressure application. The surface finish is designed to withstand repeated autoclave sterilization cycles. The cutting edge geometry is sharpened to guarantee a clean cut of the cortical bone without excessive crushing of the underlying cancellous trabeculae.

What are the contraindications for the use of this chisel-chisel?

The use of this chisel-chisel is contraindicated in situations where the bone density or the volume to be treated exceeds the mechanical capacities of a 2 mm blade, at the risk of weakening the instrument. It must not be used as a lever for the extraction of teeth or roots, a function reserved for elevators and luxators, otherwise the active tip may bend or break. Furthermore, its use is prohibited in patients presenting general contraindications to oral surgery or known hypersensitivities to the metallic components of surgical instrumentation. The practitioner must ensure that sharpening is optimal before any intervention to avoid unnecessary thermal or mechanical trauma.

What are the maintenance precautions for this non-resorbable instrument?

As a reusable steel surgical instrument, the Vienna model chisel-chisel requires a strict decontamination and sterilization protocol after each use. It is imperative to clean the instrument manually or by ultrasound to remove all organic residue (blood, bone debris) before autoclaving. Particular attention must be paid to the 2 mm cutting edge: any impact with other metallic instruments during the cleaning cycle can dull the blade. It is recommended to use suitable sterilization cassettes to protect the active tip. Regular visual inspection of the integrity of the tip and the absence of corrosion is essential to guarantee patient safety and the efficiency of the surgical procedure.

Who is the manufacturer and what standards are respected?

The device is manufactured by Helmut Zepf Medizintechnik GmbH, a recognized manufacturer in the field of high-precision surgical instrumentation. As a product distributed by Delynov, this instrument meets the manufacturing requirements of the Helmut Zepf brand, renowned for the quality of its steels and its rigorous production processes. Although the specific regulatory class and CE marking are not detailed in the current technical sheet, this type of manual instrumentation is subject to international standards relating to reusable medical devices. Practitioners are invited to refer to the instructions for use and reprocessing instructions provided by the manufacturer to ensure full compliance with the hygiene protocols in force in dental practices.

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