What is the Helmut Zepf 9.0 mm trephine?

The Helmut Zepf trephine, referenced under code 08.910.11S, is a precision surgical instrument designed for bone harvesting. This device is specifically developed to create cylindrical bone blocks from the jaw. Its structure allows for a clean cut of the bone, thus providing the practitioner with a graft of a calibrated shape. This equipment from the brand Helmut Zepf integrates perfectly into oral surgery protocols requiring rigorous handling of hard tissues. As a Class IIa medical device, it meets the safety and performance requirements for short-term invasive surgical interventions.

What are the clinical indications for this trephine?

This trephine is primarily indicated for two types of procedures in dental and implant surgery. On one hand, it is used to obtain cylindrical bone blocks intended to be transplanted to another surgical site or to be processed in a bone mill for subsequent treatment. On the other hand, it constitutes an essential tool for the explantation of already integrated implants. The choice of instrument must imperatively be made according to the diameter of the desired bone tissue block or the diameter of the implant to be removed, thus guaranteeing a targeted intervention and a reduction of trauma for the patient.

What are the technical and handling characteristics?

The Helmut Zepf trephine has an inner diameter of 9.0 mm. For optimal use, it must be attached to a contra-angle (elbow) with a motor set at a speed between 800 rpm and a maximum of 1000 rpm depending on the application. The drilling or milling process must be carried out with continuous insertion and extraction movements. It is crucial to maintain abundant irrigation with sterile physiological saline solution, either manually or via the contra-angle's rinsing system. The manufacturer specifies that the motor must not be stopped as long as the trephine is inside the surgical cavity to avoid any risk of blockage or breakage of the instrument.

What are the contraindications for the use of this instrument?

Although specific contraindication data are not listed exhaustively, the use of this trephine is strictly reserved for qualified healthcare professionals. Excessive pressure during drilling must be avoided to prevent thermal overheating or tissue damage. Stopping the motor while the instrument is engaged in the bone is formally discouraged, as this can prevent the removal of the trephine or cause it to break. As with any invasive surgical act, the patient's general condition and local bone pathologies must be evaluated by the practitioner before any intervention with this Class IIa device.

What are the precautions for use and processing?

To guarantee the longevity and safety of the Helmut Zepf instrument, compliance with processing cycles is indispensable. Although there is no defined maximum limit for the intended use, the functional life span depends on the rigor of the cleaning and sterilization protocols. During the operative act, the practitioner must take care not to exert unnecessary high pressure. Continuous irrigation with sterile physiological saline solution is mandatory to cool the site and the instrument. Compliance with the recommended rotation speeds (800 to 1000 rpm maximum) is a determining factor in preventing premature wear of the trephine and ensuring clinical success.

TREPAN. INNER DIAMETER 9.0 MM - Helmut Zepf (08.910.11S) - Delynov

Q: Who is the manufacturer and what standards are respected?

The trephine is manufactured by Helmut Zepf Medizintechnik GmbH, located in Seitingen-Oberflacht, Germany. This medical device is classified as Class IIa according to the current regulations (MDC0483). Manufacturing by Helmut Zepf guarantees compliance with the high quality standards specific to German surgical instrumentation. As a Class IIa device, it is subject to strict conformity controls to ensure its safety of use within the framework of oral surgical procedures. Professionals can refer to the manufacturer's instructions for maintaining compliance during reprocessing cycles.

The TREPAN. DIAMETRE INTERIEUR 9.0 MM - Helmut Zepf is a medical device manufactured by Helmut Zepf Medizintechnik GmbH.

Compliance: Medical device Class IIa.
Manufacturer: Helmut Zepf Medizintechnik GmbH.
Reference: 08.910.11S.
Reserved for healthcare professionals. Read instructions carefully before use.

79.55 € 79.55 EUR 79.55 € Tax Included 171.61 €

79.55 € Tax Included 171.61 €

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Instrument

What is the Helmut Zepf 9.0 mm trepan?

The Helmut Zepf trepan (reference 08.910.11S) is a surgical rotary instrument designed for bone harvesting and explantation procedures. This device features an inner diameter of 9.0 mm, allowing for precise core drilling. Manufactured by Helmut Zepf Medizintechnik GmbH, this implantology trepan drill is a robust tool intended for use on a contra-angle. Its structure is optimized for the circular cutting of hard tissues, offering practitioners a reliable solution for bone volume management or the removal of implanted devices. As a Class IIa device, it meets safety requirements for short-term invasive interventions in the oral cavity.

What are the clinical indications for this dental surgery trepan drill?

This trepan has two main clinical indications in oral surgery. Firstly, it is used to obtain cylindrical bone blocks from the jaw. These harvests can be directly repositioned as grafts or passed through a bone mill for subsequent treatment in the form of chips. Secondly, this implantology trepan is indicated for the explantation of implants. The choice of the 9.0 mm diameter must be correlated to the size of the implant to be removed or the volume of the bone block desired by the surgeon. It allows for targeted intervention around the area of interest, facilitating the recovery of autogenous tissue or the release of osseointegrated metallic structures.

What are the technical characteristics of instrument 08.910.11S?

The Helmut Zepf 08.910.11S trepan is characterized by an inner diameter of 9.0 mm. Technically, it must be attached to a contra-angle (elbow) with a motor set between 800 rpm and a maximum of 1000 rpm depending on the procedure. The instrument requires abundant irrigation with sterile physiological saline solution, either manually or via the internal irrigation system of the contra-angle. The operative protocol requires continuous in-and-out movements to avoid any overheating or blockage. It is crucial to maintain the rotation of the motor as long as the trepan is inserted in the surgical cavity to prevent any instrument breakage or removal difficulties.

What are the contraindications and precautions for use?

Although the manufacturer does not list specific systemic contraindications in the provided documentation, rigorous precautions must be observed. Excessive pressure during drilling or milling is strictly prohibited to avoid thermal or mechanical injuries. Stopping the motor while the trepan is still engaged in the bone is a major technical error that can lead to instrument breakage or permanent blockage in the cavity. The practitioner must ensure constant and abundant irrigation. As with any implantology procedure, the choice of diameter must be rigorously planned according to the patient's anatomy and the dimensions of the implant to be explanted.

What are the precautions during handling for explantation?

During an explantation, the surgeon must choose the trepan based on the outer diameter of the implant to be removed. The motor must be set to a speed range between 800 rpm and 1000 rpm maximum. The milling process is performed using smooth insertion and extraction movements, accompanied by abundant sterile saline irrigation. It is imperative not to apply high pressure during application. Heat management is a critical factor in preserving the integrity of the surrounding tissues. Continuous rotation of the Helmut Zepf trepan throughout the bone contact phase is necessary to guarantee safe and effective extraction of the implanted device.

Who is the manufacturer and what standards are respected?

This medical device is manufactured by Helmut Zepf Medizintechnik GmbH, a recognized manufacturer located in Seitingen-Oberflacht, Germany. This trepan is classified as a Class IIa medical device according to current regulations (MDC0483). Compliance with Helmut Zepf's rigorous manufacturing protocols guarantees an instrument that meets the requirements of dental and implant surgery. As a product distributed by Delynov, it meets the quality standards required for reusable invasive devices, provided that the cleaning, sterilization, and use instructions provided by the German manufacturer are scrupulously followed to maintain cutting performance and patient safety.

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Helmut Zepf

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