7.3mm / 6.5mm Large Screws
Indicated for femoral neck fractures, intertrochanteric fractures, and sacroiliac joint dislocations. Available in 16mm and 32mm thread lengths.
Medical Device OEM/ODM Direct Manufacturer
Orthopedic Cannulated Screw Systems: Precision OEM Solutions & Global Sourcing Guide
Ortix Medical Devices Co., Ltd. is an ISO 13485 certified and FDA-registered manufacturer specializing in Orthopedic Cannulated Screw systems (Ø2.4mm to Ø7.3mm). Designed for minimally invasive percutaneous fixation, our titanium alloy (Ti-6Al-4V ELI) and stainless steel (316L) screws feature uniform inner cannulation concentricity, reverse-cutting flutes, and variable pitch designs. Engineered for global orthopedic distributors and hospital procurement teams who demand zero-defect tolerance, low MOQ, and full regulatory traceability.
- ISO 13485 & FDAFull Quality Compliance
- Concentricity Tolerance±0.01mm Inner Wall Accuracy
- 60,000 m² Facility450+ CNC Machines • ~20,000 pcs/day
- Global LogisticsLow MOQ & Private Labeling
Biomechanical Engineering & Clinical Insights
Why Precision Matters in Orthopedic Cannulated Screw Manufacturing
Understanding the biomechanical mechanics, metallurgical standards, and surgical intent behind percutaneous fracture osteosynthesis.
The Engineering Challenge: Zero Wire binding & Maximum Pull-Out Strength
An Orthopedic Cannulated Screw is designed for accurate placement over a Kirschner guide wire (K-wire) during minimally invasive surgery (MIS). However, global procurement directors frequently report failure modes in inferior implants: guide wire binding caused by internal micro-burrs, shaft bending due to uneven wall thickness, or premature thread stripping under dynamic loads.
At Ortix Medical Devices Co., Ltd., our engineering team addresses these challenges at the metallurgical and machining levels:
- Concentrically Machined Cannulation: Swiss-type CNC precision drilling ensures inner lumen tolerances within ±0.01mm, eliminating internal friction and preventing K-wire galling.
- Self-Tapping & Reverse-Cutting Flutes: Sharp cutting edges allow effortless insertion while reverse-cutting flutes significantly decrease torque during implant removal.
- Material Compliance: Grade 5 Ti-6Al-4V ELI (ASTM F136 / ISO 5832-3) and High-N 316L Stainless Steel (ASTM F138) guarantee biocompatibility and dynamic fatigue endurance.
- Torx / Star Drive Geometry: Deep recessed sockets deliver optimal torque transmission without socket cam-out or stripping.
±0.01mmInner Lumen Accuracy
Product Showcase
Orthopedic Cannulated Screw Product Lineup
Fully customizable size configurations tailored for anatomical regions from small carpal bones to heavy load-bearing hip fractures.
4.5mm / 4.0mm Medium Screws
Engineered for fractures of the talus, calcaneus, tibial plateau, and distal humerus. Features partial and full thread configurations.
3.0mm / 2.4mm Headless Screws
Designed for scaphoid fractures and intra-articular hand/foot osteotomies. Variable thread pitch delivers controllable interfragmentary compression.
Matched Surgical Instrument Sets
Ergonomic silicone handles, stainless steel drill sleeves, nitinol guide wires, countersinks, and quick-coupling T-taps in autoclavable aluminum trays.
Technical Matrix
Orthopedic Cannulated Screw Specifications & Dimensions
Comprehensive size specifications engineered for seamless anatomical fit and mechanical stability.
| Diameter (mm) | Thread Type | Cannulation Lumen | Recommended K-Wire | Length Range | Primary Clinical Indications |
|---|---|---|---|---|---|
| Ø7.3 mm | Partial (16mm / 32mm) & Full | Ø3.2 mm | Ø2.8 mm Threaded Tip | 40mm – 120mm (5mm inc) | Femoral Neck, Sacroiliac Joint, Spondylolisthesis |
| Ø6.5 mm | Partial (16mm / 32mm) | Ø3.2 mm | Ø2.8 mm Threaded Tip | 35mm – 115mm (5mm inc) | Femoral Neck, Tibial Plateau, Calcaneal Arthrodesis |
| Ø4.5 mm | Partial & Full Thread | Ø1.7 mm | Ø1.6 mm Guide Wire | 20mm – 80mm (2mm inc) | Distal Tibia, Patella, Talar Neck Fractures |
| Ø4.0 mm | Partial & Full Thread | Ø1.4 mm | Ø1.25 mm Guide Wire | 14mm – 70mm (2mm inc) | Medial Malleolus, Calcaneus, Radial Head |
| Ø3.0 mm (Headless) | Differential Variable Pitch | Ø1.2 mm | Ø1.1 mm Guide Wire | 10mm – 40mm (1mm inc) | Scaphoid Fractures, Metatarsal Osteotomy |
| Ø2.4 mm (Micro) | Differential Variable Pitch | Ø1.0 mm | Ø0.9 mm Guide Wire | 8mm – 30mm (1mm inc) | Hand & Wrist Small Bone Arthrodesis |
Industry Horizon 2025–2030
Global Procurement Trends & Future Technological Developments
Key market vectors shaping the future of orthopedic trauma implants and B2B distribution strategies.
1. MIS & Computer-Assisted Robotic Navigation
Surgical trends lean heavily toward minimally invasive surgery (MIS). Modern cannulated screws require tighter dimensional tolerances to interface seamlessly with surgical navigation arrays and robotic arm guide tubes.
2. Bio-Active & Anodized Surface Modifications
Type II anodization and hydroxyapatite micro-coatings are increasingly requested by hospital tenders to reduce wear debris, optimize osseo-integration, and prevent infection in osteopenic bone fixation.
3. Modular OEM Packaging & Fast-Track Regulatory Support
Global distributors are shifting away from rigid multi-year contracts toward agile suppliers offering pre-sterilized Tyvec blister packaging, clear UDI labeling, and full technical documentation for MDR/FDA submissions.
4. Emergence of Bioresorbable Magnesium Alloys
R&D into bioabsorbable magnesium and PLLA materials for headless cannulated screws will reduce second-stage removal surgeries, particularly in pediatric and hand trauma procedures.
450+High-Precision CNC Lathes
Ortix MedicalDevices Co., Ltd.
Enterprise Advantage
Why Partner with Ortix Medical Devices Co., Ltd.
Ortix Medical Devices Co., Ltd. is a premier manufacturing partner for global medical device distributors, brand owners, and healthcare groups.
Spanning a modern 60,000 m² production complex equipped with over 450 Japanese and German CNC Swiss-type lathes (Star, Citizen, Tsugami), we maintain a daily output capacity of approximately 20,000 implant units. Our dedicated R&D department houses over 70 experienced engineers specializing in orthopedic implant biomechanics, finite element analysis (FEA), and precision tooling.
- Full ISO 13485 & FDA Registration compliance
- 100% Raw Material Traceability (Heat-lot certified)
- Low MOQ & Flexible Mixed-SKU Orders
- Private Label Laser Marking & Custom Packaging
"We empower international distributors by providing high-tier orthopedic cannulated screw systems with reliable lead times and uncompromising quality control."
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Quality Protocol
5-Step Precision Manufacturing & Verification Workflow
Every Orthopedic Cannulated Screw undergoes meticulous quality controls from raw titanium bar to final sterile delivery.
1. Material Inspection
Spectrographic & tensile verification of raw Titanium (Ti-6Al-4V ELI) and Stainless Steel (316L) bars.
2. Swiss CNC Turning
High-speed deep-hole gun drilling achieving internal lumen concentricity within ±0.01mm.
3. Surface Anodization
Ultrasonic cleaning, electropolishing, and color anodizing (yellow, blue, green) for fast size identification.
4. Optical CMM Control
100% automated optical profile inspection for thread pitch accuracy, core wall thickness, and socket geometry.
5. Cleanroom & Dispatch
ISO Class 7 cleanroom packaging, custom laser marking, and international export clearance preparation.
Compliance Documentation Package Provided
We supply international buyers with complete regulatory technical files necessary for tender approval and hospital registration.
- ISO 13485 Quality Management Certificate
- FDA Establishment Registration Verification
- Material Heat-Lot Certificates (ASTM F136 / F138)
- Biocompatibility & Mechanical Fatigue Reports
- Surgical Technique Guides & Tray Layout Charts
- Sterilization Validation & Shelf-Life Test Packaging
Buyer Knowledge Hub
Frequently Asked Questions on Orthopedic Cannulated Screws
Comprehensive answers addressing common questions asked by global procurement teams, orthopedic distributors, and biomedical engineers.
Contact UsWhat quality certifications and compliance documentation does Ortix Medical Devices Co., Ltd. provide?
Ortix Medical Devices Co., Ltd. operates under an ISO 13485 certified quality management system and maintains U.S. FDA establishment registration. Every shipment of Orthopedic Cannulated Screws includes raw material certificates (Grade 5 Ti-6Al-4V ELI or 316L Stainless Steel), dimensional inspection certificates, torsional fatigue test reports (ASTM F543 compliance), and complete batch lot documentation to ensure frictionless registration in your local market.
How does Ortix Medical Devices Co., Ltd. prevent K-wire binding and cannulation burrs?
Guide wire binding occurs when internal micro-burrs or lumen eccentricities pinch the K-wire during insertion. Ortix Medical Devices Co., Ltd. utilizes high-precision Swiss CNC lathes with specialized deep-hole gun-drilling technology, maintaining internal cannulation concentricity tolerances within ±0.01mm. Additionally, 100% of our cannulated lumens undergo electropolishing and ultrasonic cleaning to ensure completely smooth internal surfaces.
What are the primary differences between partially threaded and fully threaded cannulated screws?
Partially threaded cannulated screws feature a smooth proximal shaft and threaded distal tip, designed to generate dynamic interfragmentary compression (lag screw effect) across fracture lines like femoral neck or malleolar fractures. Fully threaded screws distribute mechanical loads across the entire bone segment without pulling fracture fragments together, making them suitable for securing osteopenic bone or stabilizing static constructs.
Can Ortix Medical Devices Co., Ltd. customize thread pitch, drive sockets, or private label laser markings?
Yes. Our in-house R&D engineering team of 70+ specialists provides end-to-end OEM and ODM services. We can modify thread profiles, implement Torx/Star or Hexagonal socket drives, adjust head countersink angles, apply custom anodization colors, and execute high-resolution laser etching of your brand logo, catalog number, and lot numbers onto each screw.
What is the Minimum Order Quantity (MOQ) and shipment lead time?
We offer flexible low MOQ requirements designed to support distributors in launching new surgical portfolios without excessive inventory holding costs. Standard size catalog items can be combined in mixed-SKU shipments. With our 60,000 m² production facility and daily output of 20,000 pieces, standard orders ship promptly while OEM custom orders follow an agreed milestone schedule.
How can distributors request evaluation samples and surgical instrument trays?
Qualified healthcare distributors, hospital procurement leads, and OEM brand representatives can request sample kits directly through our Free Sample evaluation program. Click the "Contact Us" button on this page or email [email protected] with your target screw sizes and market registration details.
Ready to Elevate Your Orthopedic Cannulated Screw Portfolio?
Partner with Ortix Medical Devices Co., Ltd. for factory-direct prices, uncompromised precision, low MOQ flexibility, and complete OEM support.
- Titanium Ti-6Al-4V ELI & 316L Stainless Steel
- Micro (Ø2.4mm) to Large (Ø7.3mm) Screws
- Full ISO 13485 & FDA Registration
