Axiora Medical Axiora Medical

Custom OEM Cancellous Screws Factories & Suppliers

Advanced Orthopedic Fixation Engineering & Global Contract Manufacturing Solutions

Technical Monograph

The Biomechanics of Cancellous Bone Fixation

Cancellous bone, characterized by its porous, trabecular structure, presents distinct physical challenges for surgical fixation compared to dense cortical bone. To achieve stable osteosynthesis, implants must maximize interfacial contact area and mechanical interlock.

This is where custom OEM cancellous screws play a pivotal role. Engineered with a larger outer thread diameter, deeper thread depth, and a wider pitch compared to cortical screws, cancellous screws are optimized to compress the spongy trabecular framework without causing local shear failure or necrosis. The design relies on generating a high pull-out resistance by utilizing the shear strength of the trabeculae that lie within the screw's thread profile.

Design Variables for OEM Cancellous Screws:

Thread Depth: Deep profiles ensure a greater volume of trabecular bone is entrapped between the threads, which is vital in osteoporotic patients.

Core-to-Outer Diameter Ratio: Minimizing core diameter increases bone volume holding capacity while maintaining torque limits.

Cannulation: A central guide wire channel allows precise positioning under fluoroscopic control, crucial for minimally invasive percutaneous procedures.

15+ Years Industry Experience
86 R&D Engineering Experts
USD 26M Annual Export Revenue
1,120 Supply Chain Partners
Technical Architecture

Structural Features of Custom OEM Cancellous Screws

ASTM F136 Titanium & CoCr Alloys

Our raw materials conform to the highest implant-grade standards. Titanium Ti-6Al-4V ELI (Extra Low Interstitial) offers exceptional biocompatibility, fatigue limit, and a Young's modulus closer to human bone compared to stainless steel, minimizing the risk of stress shielding.

Torx/Hexagonal Drive Interface

To prevent strip-out during high-torque insertion into dense metaphyseal margins, our custom screws feature high-precision Torx (star) or deep hexagonal drives. This optimizes torque transfer from the screwdriver to the screw head.

Self-Tapping & Self-Drilling Tips

Integrated cutting flutes sweep bone debris away dynamically during insertion. The self-tapping profile guarantees that the screw cuts its own precise mating thread in the trabecular matrix, enhancing primary stability.

Manufacturer Profile

Axiora Medical Technology (China) Co., Ltd.

Axiora Medical Technology (China) Co., Ltd. is a professional manufacturer specializing in the research, development, production, and global supply of high-quality orthopedic implants and surgical instruments.

Our product portfolio covers trauma fixation systems, spinal implants, joint reconstruction solutions, sports medicine products, and related orthopedic surgical instruments. Established with a commitment to innovation and precision manufacturing, Axiora integrates advanced CNC machining, automated production lines, and strict quality management systems to deliver reliable products that meet international standards. Our experienced engineering team continuously develops innovative solutions to support surgeons and healthcare providers worldwide.

With strong OEM and ODM capabilities, we provide customized manufacturing services according to customers' drawings, samples, and technical requirements. From product design and prototyping to mass production and packaging, our integrated manufacturing process ensures consistent quality, competitive pricing, and on-time delivery. Today, Axiora exports its orthopedic products to customers across Europe, North America, South America, the Middle East, Southeast Asia, and Africa.

Corporate Attribute Operational Specifications
Company NameAxiora Medical Technology (China) Co., Ltd.
BrandAxiora
Established2017
Factory Area18,600 m²
Quality System100% Finished Product & Incoming Material Inspection
Inspection MethodsCMM, Tensile Testing, Hardness Testing, Surface Roughness Inspection, Salt Spray Testing
Quality Control Staff48 Specialists
Business TypeOEM/ODM Manufacturer & Exporter
Main MarketsEurope, North America, Middle East, Southeast Asia, South America
Customization OptionsLogo Printing, Private Label, Custom Packaging, Product Design, Material Selection, Drawing-Based Manufacturing
Cleanroom Manufacturing & Quality Flow

Standardized CNC Fabrication & Testing Validation

Our state-of-the-art facility utilizes Swiss-type longitudinal cutting, advanced multi-axis CNC milling, medical-grade ultrasonic cleaning, penetrant testing, and cleanroom sterile packaging lines to guarantee perfect structural integrity.

Raw Material Inspection
1. Raw Material Incoming
Longitudinal Cutting
2. Longitudinal Cutting
CNC Machining
3. High Precision CNC
Polishing Process
4. Fine Surface Polishing
Ultrasonic Washing 1
5. Ultrasonic Washing 1
Grinding Process
6. Medical Grinding
Sand-Blasting
7. Micro Sand-Blasting
Penetrant Testing
8. Penetrant Testing
Anodizing
9. Surface Anodizing
Ultrasonic Washing 2
10. Ultrasonic Washing 2
OQC Quality Control
11. Outgoing Quality Control (OQC)
Aseptic Packing Room
12. ISO Class Aseptic Packing
Packing Line
13. Sterile Seal & Labeling
Product Storage
14. Climate-Controlled Storage
Longitudinal Cutting Lathe
15. Swiss Longitudinal Lathe
CNC Workshop
16. Advanced CNC Station
Polishing Machine
17. Automated Polishing Line
Ultrasonic Washing Unit
18. High-Capacity Washing Unit
Grinding Machine
19. Precision Grinding Machine
Sand-Blasting Machine
20. Sand-Blasting Cabinet
Anodizing Machine
21. Electrochemical Anodizing
Aseptic Packing Inner Room
22. Aseptic Packing Room II
Penetrant Testing Room
23. NDT Dye Penetrant Lab
Endurance Tester
24. Fatigue & Endurance Tester
Aging Tester
25. Accelerated Thermal Aging Tester
Market Intelligence

Global Sourcing Tendencies & Supply Chain Resilience

In the highly regulated orthopedic medical device sector, sourcing departments face rising demand for supply chain agility, cost efficiency, and rigorous regulatory compliance.

1. Risk Mitigation and Traceability

For distributors and hospitals, full traceability from raw material titanium ingots to finished sterile packed bone screws is mandatory. Axiora utilizes a strict material control protocol with heat number mapping and certificates of compliance (CoC) matching ASTM and ISO standards for all titanium grades. This ensures zero risk of material defects or failure in vivo.

2. Shifting Regulatory Landscapes

With the transition from MDD to EU MDR 2017/745 in Europe and the FDA's strict 510(k) clearances in the US, suppliers must provide comprehensive technical files. Axiora supports partners by supplying fully validated mechanical test records (ASTM F543 torque testing, pullout testing, insertion/removal torque profiling) to fast-track regional approvals.

3. Customization & Low-Volume High-Mix (LVHM)

Modern clinical practices require highly specialized screw designs for unique osteotomies, ankle arthrodeses, and distal radial repairs. Our engineering department specializes in reverse engineering and fast prototyping. We handle small-batch custom runs alongside mass production orders, maintaining consistent cost-effectiveness.

4. Optimized Lead Times

Shortages of orthopedic implants can impact surgical calendars. By combining advanced multi-axis CNC machines with optimized manufacturing pipelines, Axiora slashes traditional OEM lead times by 30%, ensuring high fill rates for global distributors.

Future Outlook

Technological Roadmap & Scientific Horizons

To maintain an industry-leading position, our R&D department continues to investigate advanced coatings and biodegradable polymer systems.

Bio-Absorbable Magnesium Alloys

Developing magnesium alloy (Mg-Zn-Ca) bone screws that provide immediate structural stabilization and gradually degrade over time, eliminating the need for secondary removal procedures and stimulating bone remodeling.

Osseointegrative Nano-Coatings

Testing thin Hydroxyapatite (HA) and Titanium Plasma Spray (TPS) micro-coatings. These biomimetic surfaces encourage osteoblasts to attach directly to the screw threads, increasing torsional pull-out resistance.

Robotic Surgical Compatibilities

Modifying screw head geometries and guide wires to integrate with robotic-assisted surgery systems, ensuring precise torque feedback and optical tracking path compatibility.

FAQ

Orthopedic Engineer & Procurement FAQ

What titanium alloy is primarily used for Axiora OEM cancellous screws?

We use Grade 23 Titanium Alloy (Ti-6Al-4V ELI) conforming to ASTM F136 specifications. This material features reduced levels of oxygen, nitrogen, carbon, and hydrogen, which improves fracture toughness and ductility for load-bearing skeletal implants.

How do cancellous screws differ from cortical screws in thread pitch and design?

Cancellous screws feature a wider pitch (typically 1.75mm to 3.0mm depending on diameter) and a deeper thread profile compared to cortical screws. This profile is engineered to capture a larger volume of spongy bone, distributing shear stress across a broader surface area to optimize pull-out strength.

Can Axiora manufacture custom orthopedic screws according to our proprietary 2D/3D CAD models?

Yes. Our engineering department works with solid models in STEP, IGES, and DWG formats. Our specialized multi-axis CNC machines and sliding-head Swiss lathes can hold tight tolerances of down to ±0.005 mm on custom designs.

What quality standards and certifications does the factory hold?

Axiora holds ISO 13485:2016 certification for medical device quality management. We maintain 100% material traceability and validate cleanroom packaging lines to meet international bioburden and sterility standards.

How is screw surface passivation and anodization controlled?

We perform chemical passivation and Type II / Type III electrochemical anodization. These processes form a protective titanium oxide layer that increases wear resistance, prevents metal ion release, and color-codes screw diameters for easier identification in the operating room.