Surgical mucosal trephine, internal diameter 3.5mm - Helmut Zepf (08.920.13) - Delynov

What is the Helmut Zepf surgical mucosal trephine?

The surgical mucosal trephine, referenced under code 08.920.13 by the manufacturer Helmut Zepf Medizintechnik GmbH, is a specialized rotary or manual instrument for the circular cutting of soft tissues. This device is characterized by a precise inner diameter of 3.5 mm, allowing for the isolation of a mucosal core of standardized dimensions. Its structure is optimized to provide a clean cut of the gingival tissues, thereby limiting the dispersion of the edges during harvesting. As a precision instrument, it meets the requirements of practitioners performing micro-surgery where graft calibration is a determining factor for the success of healing and tissue integration.

What are the clinical indications for this dental mucosal trephine?

This dental mucosal trephine is primarily indicated in oral surgery and periodontology for soft tissue harvesting techniques. Its use is common during the performance of free gingival grafts or connective tissue grafts, where the practitioner must obtain a perfectly circular sample of palatal or tuberosity mucosa. It is also used for exposing implant heads during second-stage surgeries (re-opening), allowing the removal of the mucosal operculum with a precision corresponding to the diameter of the healing screw. Its design allows for controlled manipulation for the management of peri-implant tissues and the correction of gingival volume defects.

What are the technical characteristics of model 08.920.13?

The Helmut Zepf trephine (08.920.13) presents rigorous technical specifications adapted to the surgical environment. Its main characteristic is its inner diameter of 3.5 mm, an ideal intermediate dimension for harvests that do not require large graft surfaces. The instrument is designed to maintain its sharpness during use cycles, guaranteeing a clean incision without tearing the connective fibers. The geometry of the working part is studied to facilitate the evacuation of the graft after cutting. This surgical mucotome integrates into modern implant surgery protocols where the standardization of instruments allows for reproducibility of clinical movements and better management of post-operative follow-ups.

What are the contraindications for the use of this gingival harvesting instrument?

The contraindications for the use of this gingival harvesting instrument are related to the general clinical conditions of the patient and the state of the donor site. Its use is discouraged in the presence of acute infections at the level of the targeted mucosa or uncontrolled systemic pathologies affecting coagulation and healing. Furthermore, if the thickness of the mucosa at the harvesting site is insufficient (less than the required cutting depth), the use of the trephine could damage underlying structures, such as the periosteum or neurovascular bundles. It is the surgeon's responsibility to evaluate tissue quality and the absence of general medical contraindications before any invasive procedure with this Helmut Zepf instrument.

How to maintain the trephine and what are the precautions for use?

Like any fine surgical instrument, this mucosal trephine requires a strict decontamination and sterilization protocol between each patient, in accordance with the recommendations of the manufacturer Helmut Zepf Medizintechnik GmbH. It is advisable to check the integrity of the cutting edge before each procedure; a blunt instrument could cause excessive tissue compression and compromise the viability of the graft. During use, adequate irrigation may be necessary to avoid any tissue overheating if the instrument is used on a rotary handpiece. After cleaning, careful drying is imperative to prevent any alteration of the cutting surface and to guarantee the longevity of the surgical stainless steel instrumentation.

Who is the manufacturer and what standards are respected?

The official manufacturer of this device is Helmut Zepf Medizintechnik GmbH, a recognized player in the field of dental and surgical instrumentation based in Germany. The Helmut Zepf brand is associated with high-precision manufacturing respecting medical industry quality standards. Although specific details of the regulatory class and CE marking are not explicitly listed in this sheet, the instrument is designed according to the rigorous manufacturing processes specific to reusable medical devices. Practitioners are invited to refer to the instructions for use and reprocessing instructions provided by the manufacturer to ensure compliance of use within their practice or operating block.

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