Titanium surgical cross-fit screw, blue anodized, diameter 1.5 mm, length 4 mm - Helmut Zepf (47.575.04) - Delynov

What is the Helmut Zepf titanium surgical cross-head screw?

The titanium surgical cross-head screw developed by Helmut Zepf is a precision osteosynthesis device intended for oral surgery. Featuring a 1.5mm diameter and a 4mm length, this component is manufactured from titanium, a material recognized for its mechanical properties and biocompatibility in physiological environments. The structure of this titanium osteosynthesis screw is distinguished by a cross-head drive, allowing for controlled insertion and primary stability during placement. The blue anodization of the surface is not merely aesthetic; it facilitates rapid identification of the diameter by the practitioner within the surgical tray, thus optimizing organization during complex bone reconstruction interventions.

What are the clinical indications for this osteosynthesis screw?

This titanium surgical screw from the Helmut Zepf brand is primarily indicated in guided bone regeneration (GBR) procedures and alveolar volume reconstruction. It is used by dental surgeons and implantologists to ensure the rigid fixation of non-resorbable membranes or titanium meshes, as well as for the immobilization of autologous or allogenic bone grafts. Its reduced length of 4mm makes it particularly useful in areas where available bone depth is limited or where the cortical bone is thin. The stability of the device is crucial to prevent any micromovement of the graft, a sine qua non condition for effective neo-angiogenesis and successful integration of the filling material before implant placement.

What are the technical characteristics of reference 47.575.04?

Technical reference 47.575.04 corresponds to a titanium surgical screw with rigorous specifications. It features a body diameter of 1.5mm, which constitutes a standard for fine fixations in implant surgery. Its total length under the head is 4mm. The cross-head drive of the screw head is designed to fit perfectly with the corresponding screwdrivers from the Helmut Zepf range, guaranteeing axial force transmission without risk of slipping. The titanium used undergoes a blue anodization treatment, an electrochemical process that modifies the thickness of the surface oxide layer to create a specific coloration without adding pigments. This technical characteristic allows for excellent corrosion resistance and tissue integration respectful of current clinical protocols.

What are the contraindications for the use of this titanium screw?

Although specific manufacturer data are not detailed here, general contraindications for the use of a titanium osteosynthesis screw include known allergies to titanium or its alloys. In oral surgery, the use of this device may be contraindicated in patients with uncontrolled systemic disorders affecting bone healing, such as certain types of severe diabetes or metabolic bone pathologies. Insufficient oral hygiene or an active infection at the surgical site also constitute temporary contraindications. It is the practitioner's responsibility to evaluate the benefit-risk ratio based on the patient's general health status and the quality of the recipient site before any implantation of osteosynthesis material.

What precautions should be taken with this non-resorbable device?

The 1.5mm by 4mm Helmut Zepf screw is a non-resorbable device. Unlike polymers that undergo hydrolysis, titanium remains structurally stable over time. This implies that the screw must generally be removed during a second surgical stage, often at the time of implant placement, once graft consolidation or bone regeneration is achieved. During placement, the practitioner must ensure not to apply excessive tightening torque to avoid any fracture of the screw head or necrotic compression of the surrounding bone. Handling must be done with dedicated and sterile instruments to maintain the integrity of the anodized surface and prevent any cross-contamination or peri-implant inflammatory reaction.

Who is the manufacturer and what are the quality guarantees?

The official manufacturer of this medical device is Helmut Zepf Medizintechnik GmbH, a German company recognized for its expertise in the design of instruments and solutions for dental and maxillofacial surgery. Production by Helmut Zepf guarantees rigorous traceability and compliance with high-precision manufacturing processes. Although the specific regulatory class and CE marking are not mentioned in the provided source data, this manufacturer's products are developed to meet the technical requirements of healthcare professionals. Each reference 47.575.04 screw is subject to strict quality controls to ensure dimensional compliance and the surface finish required for secure surgical implantation.

State of the art

Guided bone regeneration (GBR) in implantology relies on membrane fixation quality.