Horaizon Orthopedic Implants Horaizon Orthopedic Implants

Custom OEM Compression Screws Manufacturers

Precision-Engineered Medical-Grade Orthopedic Implants, Bone Fixation Systems, and Global Contract Manufacturing Solutions under ISO 13485.

The Anatomy of High-Performance Compression Screws

Compression screws are fundamental to contemporary orthopedics, serving as the cornerstone for fracture fixation, joint arthrodesis, and osteotomy stabilization. By converting rotational torque into linear compressive force, these specialized implants draw bone fragments together to eliminate micromovement, accelerate osteointegration, and reduce the risk of nonunion.

Cannulated vs. Solid Core

Cannulated compression screws feature a hollow central shaft, allowing surgeons to insert them over a guide wire for precise anatomic placement. This is critical for minimally invasive procedures in areas like the femoral neck, scaphoid, and calcaneus. Solid core designs, conversely, optimize torsional shear strength for heavier mechanical loads.

Variable Thread Pitch

Modern headless compression screws utilize a variable pitch thread design. The leading thread has a wider pitch than the trailing thread, causing the screw to advance faster at its distal end than at its proximal end. This difference mechanically compresses the fracture line as the screw is driven home.

Biocompatible Materials

Using titanium alloys (typically Ti-6Al-4V ELI conforming to ASTM F136) ensures superb fatigue resistance, high strength-to-weight ratios, and magnetic resonance imaging (MRI) compatibility. Medical-grade PEEK (Polyetheretherketone) is also selected for radiolucent applications where stress shielding must be minimized.

Zhejiang Horaizon Medical Device Co., Ltd.

Combined with development, manufacture, and sales, Zhejiang Horaizon Medical Device Co., Ltd. specializes in state-of-the-art orthopedic medical devices. Our manufacturing facilities house high-precision, large-scale production machinery and complete suites of quality assurance testing gear. Governed by a dedicated technical development group, our management conforms to the ISO 9000 / ISO 13485 International Quality System Standard and the YY/T0287 Medical Device Quality System Standard. We continually innovate to bring more stable, advanced product technologies, and simpler, safer clinical handling to global markets.

Adhering to our core concept of "precision, professional, innovative", we strive to deliver outstanding products with exceptional service to advance human health and wellness.

ISO 13485
Quality System Certified
100%
CMM Inspection Traceability
OEM / ODM
Custom Design Capabilities

Our In-House Manufacturing & Validation Facilities

From initial titanium alloy bar stock machining to final sterile packaging, we maintain absolute oversight of our production line. Here is a visual overview of our operational centers:

Rough Machining of Orthopedic Implants
Rough Machining
Finish Machining of Precision Screws
Finish Machining
Medical Device Quality Inspection
Inspection
3D Printing Orthopedic Models
3D Printing
Three Coordinate Detection CMM
Three Coordinate Detection
Cleanroom Packaging Process
Packing
High Precision Turning Center
Turning Center
Advanced Machining Center
Machining Center
3D Metal Printer for Implants
3D Metal Printer
CNC Lathe Manufacturing
CNC Lathe
CMM Verification Equipment
CMM
Image Analyzer Quality Control
Image Analyzer
Zhejiang Horaizon Medical Factory Exterior

Zhejiang Horaizon Medical Device Production Facility and Office Headquarters

Why Partner with Chinese Manufacturers for Medical OEM?

China's Yangtze River Delta region—where Zhejiang Horaizon is located—stands as a global hub for medical device manufacturing. This industrial cluster yields unique strategic advantages for international medical device brands and hospital procurement agents:

Advanced Swiss-Type CNC Machining

Chinese medical device factories have heavily invested in Swiss-type longitudinal CNC lathes and 5-axis machining centers. These tools cut complex micro-threads, cannulated pathways, and variable-pitch shapes in a single setup, guaranteeing dimensional tolerances within ±5 microns.

Surgical Grade Titanium Ecosystem

We source raw materials directly from elite, certified medical titanium suppliers. Our localized supply chain ensures continuous access to high-purity ASTM F136 titanium alloy, drastically cutting raw material transit times and offering pricing advantages that are passed directly to our customers.

Rapid Prototyping & Scale

With integrated metal 3D printing and quick-tooling methodologies, we can transition a digital CAD model into a physical, testable prototype in a fraction of the time required by Western contract manufacturers. This significantly compresses time-to-market cycles for new implant systems.

Targeted Clinical Applications & Biomechanical Solutions

Compression screws are not one-size-fits-all. Different anatomical zones demand distinct thread geometries, screw diameters, and mechanical performance. Zhejiang Horaizon supports OEMs with designs optimized for specific orthopedic and traumatology environments:

Small Fragment & Extremity Surgery

Clinical Focus: Scaphoid fractures, carpal instabilities, hallux valgus corrections, and radial head fractures.
OEM Design Solution: Mini headless compression screws ranging from 1.5mm to 3.0mm in diameter. Featuring low-profile heads to prevent soft-tissue irritation and fine thread pitches to maximize purchase in delicate bones.

Large Fragment Reconstruction

Clinical Focus: Femoral neck fractures, tibia plateau fractures, and calcaneal reconstructions.
OEM Design Solution: Heavy-duty cannulated screws (typically 6.5mm to 7.3mm) engineered from solid core titanium. Designed for insertion over guidewires to ensure stable, high-torque compression across large joint surfaces.

Spinal & Sacroiliac Joint Fusion

Clinical Focus: Posterior lumbar interbody fusion (PLIF) support and sacroiliac joint arthrodesis.
OEM Design Solution: Deep-threaded, self-tapping, and cannulated compression screws. These screws interface seamlessly with titanium-coated PEEK bullet cages and pedicle screw systems to lock structural elements in place.

Maxillofacial & Reconstruction Orthopedics

Clinical Focus: Mandibular fractures, orthognathic surgery, and midface trauma reconstructive plates.
OEM Design Solution: Micro-screws featuring high-torque cruciform or hexalobe drives. Built to fit variable-angle locking plates, preventing screw back-out and keeping structural stability under constant masticatory muscle stress.

Meeting the Demands of Global Procurement Teams

Medical device purchasing managers face intense challenges: maintaining absolute compliance with local regulatory bodies (such as FDA, MDR CE, NMPA) while coping with budget pressures and supply chain risks. Zhejiang Horaizon mitigates these risks through customized contract manufacturing policies:

Complete Regulatory Documentation

We provide comprehensive Technical Files, materials traceability sheets (MTRs), biocompatibility testing data, and certificate packages to streamline the FDA 510(k) or CE mark submission process for your brand.

Custom Packaging & Sterilization

Choose between non-sterile bulk packaging or single-sterile double-barrier blister packs. Our packaging processes are performed in cleanrooms that meet international requirements, saving time in final distribution.

Flexible MOQ & Batch Delivery

We support growing medical brands by offering flexible minimum order quantities (MOQs) on custom designs, paired with annual rolling contracts to guarantee stable supply schedules and predictable pricing.

Emerging Trends in Compression Screw Development

The orthopedic implant industry is transitioning toward biological integration and smart mechanics. As a forward-looking OEM manufacturer, Zhejiang Horaizon aligns its production R&D with these industry trends:

  • Bioactive Surface Coatings: Integrating porous titanium coatings, hydroxyapatite (HA), and plasma-sprayed finishes onto the screw surface to stimulate direct bone cell growth and speed up recovery.
  • Bioresorbable Materials: Investigating high-grade magnesium alloys and polylactic acid (PLA) polymers that maintain physical structural integrity during fracture healing and gradually dissolve, removing the need for follow-up hardware extraction surgery.
  • Additive Manufacturing Integration: Utilizing 3D metal printing technology to create complex, customized orthopedic plates and porous-structured screw heads that mimic trabecular bone patterns.
Zhejiang Horaizon Medical Quality Certifications and Honors

Zhejiang Horaizon's Quality System Certification and Regulatory Approvals Panel

Frequently Asked Questions (FAQ)

Common technical and business inquiries regarding our custom OEM compression screw manufacturing capabilities.

Q1: Which titanium alloy grades do you use for medical-grade compression screws?
We primarily use medical-grade Ti-6Al-4V ELI (Extra Low Interstitial) Titanium Alloy, conforming to ASTM F136 and ISO 5832-3 standards. This material delivers excellent mechanical strength, corrosion resistance, and high biocompatibility. We also manufacture components in Grade 2 pure titanium and implant-grade PEEK polymer (such as Evonik VESTAKEEP) upon request.
Q2: How does variable thread pitch generate compression in headless screws?
Headless compression screws are built with a wider pitch at the distal tip and a finer, tighter pitch at the proximal head. As the screw is turned, the distal threads move forward faster than the proximal threads. This speed difference pulls the bone fragments together across the fracture line, generating strong, stable mechanical compression without a projecting screw head.
Q3: What certifications do Zhejiang Horaizon manufacturing facilities hold?
Our management and manufacturing processes are fully certified under ISO 13485 (Medical Devices - Quality Management Systems) and the YY/T0287 national quality system. Our production lines, ranging from CMM checks to turning and machining centers, strictly adhere to cleanroom standards for orthopedic implant fabrication.
Q4: Can you manufacture custom cannulated screws based on proprietary CAD drawings?
Yes. Our engineering division operates advanced CAD/CAM modeling software linked directly to our multi-axis CNC Swiss lathes. We manufacture custom cannulated, solid core, variable pitch, and variable angle locking screws based on customer-supplied step/iges files, maintaining tight tolerances within ±0.005mm.
Q5: How do you verify and document the quality of manufactured orthopedic implants?
Every production run undergoes strict quality assurance testing. We utilize coordinate measuring machines (CMM), high-resolution optical image analyzers, and thread profile gauges to verify all dimensions. Mechanical tests, such as torque-to-failure and shear stress analysis, are also performed. Full material certificates and dimension inspection reports are provided with every batch.
Q6: What is the typical lead time for an OEM production run of compression screws?
Standard prototype production and design validation batches are completed within 2 to 4 weeks. Full-scale production runs generally take 6 to 8 weeks, depending on order size, special surface finish requirements (e.g., anodizing or HA coating), and packaging configurations.
Q7: Do you offer surface finish treatments like titanium anodization?
Yes. We provide Type II (grey/matte) and Type III (color-coded) anodization, which increases wear resistance and simplifies intraoperative identification of screw sizes. We also offer acid-etching and passivation treatments to enhance biocompatibility.
Q8: How do you ensure product cleanliness and prevent cross-contamination?
After machining, all implants undergo multi-stage ultrasonic cleaning using medical-grade detergents and demineralized water. Packaging is executed inside certified cleanrooms (Class 10,000 / ISO Class 7 equivalent) under strict microbiological controls.
Q9: What are your payment terms and delivery arrangements for international buyers?
We generally operate on T/T (Telegraphic Transfer) terms, requiring a deposit before manufacturing, with the balance due before shipment. We ship worldwide via reputable express carriers (DHL, FedEx, UPS) or air freight, and handle customs documentation to ensure smooth import operations.
Q10: Are your implants compatible with other major surgical plating systems?
As a specialized OEM contract manufacturer, we can design and machine screws to fit existing third-party plates or manufacture complete, matched systems including plates, screws, and insertion instruments.