Screw-in surgical osteotome insert, straight, size 4, tapered, diameter 3 mm to 4 mm - Helmut Zepf (47.990.50) - Delynov

What is the Helmut Zepf osteotome insert (47.990.50)?

The Helmut Zepf osteotome insert, reference 47.990.50, is a specialized surgical instrument designed to be mounted on a tool-holding handle. This device features a straight structure and a conical active tip. Its screw-in design allows for optimal modularity during oral surgery procedures. Manufactured by Helmut Zepf Medizintechnik GmbH, this instrument is specifically sized to meet the requirements of bone expansion protocols. It is part of a range of precision instruments intended for practitioners requiring high reliability when manipulating hard tissues.

What are the clinical indications for this screw-in osteotomy instrument?

This screw-in osteotomy instrument is primarily indicated in implant surgery procedures requiring fine management of bone density. It is used to perform expansions of narrow ridges or to condense low-density bone (Type III or IV) to improve the primary stability of the implant. Its straight shape is particularly suited to clinical areas with direct access. As a screw-in osteotome insert, it allows the surgeon to exert controlled axial pressure to gradually widen the implant site without removing bone material, thus preserving the patient's bone capital.

What are the technical characteristics of this straight conical insert?

The Helmut Zepf insert reference 47.990.50 is distinguished by precise technical specifications. It is a size 4 model, featuring a conical shape with an evolving diameter ranging from 3 mm to 4 mm. This taper allows for gentle penetration and progressive lateral expansion of the bone. The straight osteotome tip is equipped with a thread at its base for stable fixation on compatible handles of the brand. Its geometry is designed to provide efficient transmission of forces during impaction or manual rotation, guaranteeing millimetric precision during implant site preparation.

What are the contraindications for the use of this surgical insert?

The use of this osteotome insert is contraindicated in situations where bone density is excessive (very dense Type I cortical bone), as this could lead to overheating or bone fracture. Generally, its use should be avoided in patients with systemic contraindications to implant surgery, such as uncontrolled coagulation disorders or severe metabolic bone pathologies. It is imperative not to use this instrument if the diameter of the preparation site is already greater than 4 mm, to avoid any floating or lack of clinical control during expansion.

What are the maintenance precautions for this Helmut Zepf instrument?

Like any Helmut Zepf precision surgical instrument, this insert must undergo a rigorous cleaning and sterilization protocol between each patient. Although specific material data are not detailed here, instruments in this category are generally designed to withstand standard autoclave cycles. The integrity of the thread should be checked before each screwing to ensure perfect fixation on the handle. Any deformation of the conical tip or marked wear of the edges must lead to the replacement of the insert to guarantee the safety of surgical procedures and the precision of the operative gesture.

Who is the manufacturer and what standards are respected?

The official manufacturer of this insert is Helmut Zepf Medizintechnik GmbH, a recognized player in the field of high-precision dental and surgical instrumentation. This device is identified under reference 47.990.50 in the Delynov catalog. Regarding standards and certifications, although the regulatory class and CE marking are not specified in the current source data, the manufacturer is subject to the European regulations in force for medical devices. Practitioners are invited to refer to the instructions for use and technical documentation provided by Helmut Zepf to confirm applicable compliance and maintenance protocols.

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