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Orthopedic Implant Screws

Name: Trauma Fixation Screws & Orthopedic Implant Anchors – Frigate
Price: 249.00 USD
Availability: InStock

Orthopedic implant screws are designed with advanced thread geometries to optimize load transfer and provide strong axial compression. Variable pitch profiles, along with precisely controlled flank angles and thread depths, enable gradual engagement with both cortical and cancellous bone structures.

Material Grades

Titanium 6Al-4V ELI (ASTM F136), Stainless Steel 316LVM (ASTM F138), Cobalt-Chrome (ASTM F1537)

Dimensional Tolerance

±0.05mm (Major/Minor Diameter), ±0.1mm (Length), Thread Lead – ±0.02mm

Thread Specifications

Type – Self-Tapping (ISO 5835), Pitch – 0.5–1.75mm (M2–M8), Thread Angle – 60°±1°

Surface Texture

Ra ≤0.4µm (Shaft), Ra 1.6–3.2µm (Thread Flanks), Laser Etching (UDI Marking)

Certification Standards

ISO 13485, ASTM F543 (Testing), FDA 510(k)/CE (EU MDR), ISO 10993-1 (Biocompatibility)

Product Description

This engineered thread architecture reduces localized stress concentrations, improves pullout resistance, and ensures mechanical stability under multidirectional loading—critical for maintaining fixation integrity during the early phases of postoperative recovery.

Heat Treatment

Solution Treated & Aged (Ti-6Al-4V, 28–36 HRC), Cold Worked (SS 316LVM, 35–45 HRC)

Mechanical Properties

Tensile Strength – ≥860MPa (Ti) / ≥900MPa (SS), Fatigue Limit – 500MPa @ 10⁷ Cycles, Torque-to-Failure – ≥4Nm (M4)

Surface Coating

Anodized (Ti, ASTM F86), Passivated (SS, ASTM A967), HA Coating (Optional, ASTM F1185)

Inspection Criteria

100% Thread Gauge (GO/NO-GO), CMM (±0.01mm Accuracy), Visual (No Burrs, ISO 13715)

Sealing Method

Double-Bag Sterile Barrier (ISO 11607), EtO/Gamma Compatible

Technical Advantages

Orthopedic Implant Screws are manufactured from high-purity titanium alloys (Ti-6Al-4V ELI) and nitrogen-strengthened stainless steels, processed through vacuum arc remelting and precision forging. Controlled microstructure, including fine equiaxed grains and uniform phase distribution, increases pitting and crevice corrosion resistance in physiological environments. These metallurgical properties reduce ion release and ensure long-term biocompatibility in permanent or semi-permanent orthopedic applications.

Orthopedic Implant Screws incorporate reduced core diameters, optimized pitch depth, and self-tapping flute geometries to regulate insertion torque and minimize intraoperative fracture risks. Torsional performance is validated through mechanical testing under ASTM F543 protocols, ensuring safe and repeatable screw placement in both dense cortical and osteoporotic bone. These features enable surgeons to maintain control during insertion without excessive resistance or torsional failure.

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Industry Applications

Long Bone Fracture Fixation

Orthopedic Implant Screws provide axial stability and interfragmentary compression in diaphyseal femur, tibia, and humerus fracture repair procedures.

Spinal Fusion Constructs

Orthopedic Implant Screws enable vertebral fixation in thoracolumbar or cervical segments during posterior stabilization and interbody fusion surgeries.

Pelvic Ring Stabilization

Orthopedic Implant Screws are used for iliosacral fixation to stabilize unstable pelvic ring injuries and sacroiliac joint disruptions.

Maxillofacial Reconstruction

Orthopedic Implant Screws secure rigid internal fixation in mandibular and midfacial osteotomies, trauma reconstruction, and craniofacial deformity correction.

Foot and Ankle Arthrodesis

Orthopedic Implant Screws facilitate joint fusion in subtalar, talonavicular, and tibiotalar regions under controlled compression across bone interfaces.

Pediatric Epiphyseal Fixation

Orthopedic Implant Screws are used in guided growth procedures and epiphyseal stabilization with minimal disruption to growth plate integrity.

Surface Topography and Sub-Micron Roughness for Osseointegration

Orthopedic Implant Screws undergo surface modification processes such as acid-etching, shot blasting, or anodizing to achieve sub-micron scale roughness (Ra 0.5–1.5 µm). This specific topography enhances initial cell attachment, supports osteogenic differentiation, and promotes early osseointegration.

Orthopedic Implant Screws are available in monoaxial, polyaxial, and cannulated variants to address complex anatomical trajectories and access limitations. Cannulated Orthopedic Implant Screws support percutaneous or minimally invasive techniques using guidewire systems, reducing surgical exposure and enabling high-precision placement in constrained anatomical corridors.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does Frigate ensure the pitch accuracy of orthopedic implant screws during manufacturing?

Frigate uses CNC precision threading systems to maintain consistent screw pitch within ±10 microns. Optical comparators and thread gauges are employed for inspection at each production stage. This controls axial loading and promotes reliable bone engagement. Advanced CAM programming also minimizes tool wear and preserves thread geometry.

What materials does Frigate use to reduce galvanic corrosion in orthopedic implant screws?

Frigate selects titanium alloys like Ti-6Al-4V and medical-grade stainless steels with high pitting resistance equivalent numbers (PREN). Material pairings are evaluated to avoid electrochemical mismatch with adjacent implants. Surface passivation further enhances corrosion resistance in physiological environments. This ensures long-term biocompatibility and implant stability.

How does Frigate validate the torsional strength of orthopedic implant screws?

Frigate performs ISO 6475-compliant torsional testing using servo-hydraulic machines to measure torque-to-failure. Material microstructure and core diameter are optimized to prevent shear fracture under rotational load. Test results are statistically validated across production lots. This guarantees consistent torque resistance for various anatomical loading scenarios.

What thread forms does Frigate provide for orthopedic implant screws used in cancellous vs cortical bone?

Frigate manufactures dual-threaded profiles—coarse-pitch threads for cancellous bone and fine-pitch threads for cortical engagement. Thread geometry is modeled using finite element analysis to optimize load distribution. Bone-specific thread forms reduce the risk of microcracks and promote primary stability. Thread depth and flank angles are tailored based on bone density requirements.

How does Frigate achieve consistent surface finish on orthopedic implant screws?

Frigate uses fine-grit abrasive polishing and electropolishing to attain Ra values below 0.25 µm. Uniform surface finish reduces fretting and promotes better osseointegration. Automated systems maintain repeatability across high-volume production. Surface inspections with confocal microscopy validate finish quality before packaging.

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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

Other Locations

GENERAL ENQUIRIES

FRIGATE is a B2B manufacturing company that facilitates New Product Development, contract manufacturing, parallel manufacturing, and more, leveraging its extensive partner networks.

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