Axiora Medical Axiora Medical

China Top Metal On Polyethylene Hip Joints Manufacturers & Exporters

High-Performance Medical Grade Implant Tribology, Advanced Cross-Linked Polyethylene (XLPE) Technology, and Enterprise-Level OEM/ODM Supply Chains for Orthopedic Distributors Worldwide

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1. Executive Summary & Tribological Evolution in Total Hip Arthroplasty (THA)

Total Hip Arthroplasty (THA) stands as one of the most successful surgical interventions of the 21st century. At the core of its longevity lies the selection of articulation couples. Among these, the Metal-on-Polyethylene (MoP) interface remains the gold standard, providing a balanced solution of clinical performance, mechanical toughness, and cost efficiency. As premium manufacturers in China, we leverage ultra-high molecular weight polyethylene (UHMWPE) and highly cross-linked polyethylene (XLPE) paired with precision-ground Cobalt-Chromium-Molybdenum (CoCrMo) alloy heads to mitigate wear rates and combat osteolysis.

Information Gain: Understanding Wear Mechanisms & Oxidation Dynamics

The principal mechanism of MoP failure in historical implant designs was wear-induced osteolysis, triggered by sub-micron polyethylene debris. Traditional UHMWPE, when sterilized via gamma irradiation in air, generated free radicals leading to long-term oxidation, structural embrittlement, and elevated wear rates. Modern Chinese production lines resolve this by cross-linking the polymer chains using high-dose electron beams or gamma irradiation in inert environments, followed by thermal annealing or mechanical deformation to eliminate residual free radicals. The result is a dramatic reduction in volumetric wear of up to 90%, offering active patients implant longevity exceeding 20 to 25 years.

Cobalt-Chromium Heads

Manufactured from ASTM F1537 / F75 CoCrMo alloy, delivering extreme surface hardness (>2500 HV) and optimized sphericity deviations under 0.5 microns to minimize friction.

Highly Cross-linked Polyethylene

We use premium raw materials (GUR 1020 / GUR 1050) subjected to controlled electron beam irradiation to maximize cross-linking density, achieving unmatched wear reduction.

Anti-Oxidant Infusion

Optionally infused with Vitamin E (Alpha-Tocopherol) acting as a powerful scavenger of free radicals, eliminating the need for thermal treatments that degrade mechanical strength.

2. Corporate Capability & Global Exporter Footprint

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, building long-term partnerships with medical device distributors, brand owners, hospitals, and healthcare organizations around the world.

18,600m²
Factory Area
15 Yrs
Industry Experience
$26M
Annual Export Rev
86
R&D Engineers
100%
OQC Inspection
Parameter Item Manufacturing & Commercial Details
Company Name Axiora Medical Technology (China) Co., Ltd.
Brand Axiora
Website www.axioraortho.com
Established 2017
Factory Area 18,600 m²
Annual Export Revenue USD 26 Million
Export Experience 8 Years
Industry Experience 15 Years
Quality Inspection 100% Finished Product Inspection & Incoming Material Inspection
Product Inspection Methods Coordinate Measuring Machine (CMM), Tensile Testing, Hardness Testing, Surface Roughness Inspection, Salt Spray Testing
Quality Control Staff 48 Professionals
Business Type Manufacturer & Exporter (OEM/ODM)
Main Markets Europe, North America, Middle East, Southeast Asia, South America
Supply Chain Partners 1,120 global partners
Main Customer Types Medical Device Brands, Importers, Distributors, Hospitals, Government Procurement Projects
R&D Capability Independent Product Development, Reverse Engineering, OEM & ODM Solutions
Customization Options Logo Printing, Private Label, Custom Packaging, Product Design, Material Selection, Drawing-Based Manufacturing
New Products Released Last Year 126 Products
R&D Engineers 86 Dedicated Engineers

3. Manufacturing Infrastructure, Quality Systems & Processing Steps

Axiora's industrial footprint integrates advanced mechanical engineering with a sterile, class-10,000 cleanroom environment. Every step of our joint reconstruction implant production—from raw bar stock processing to packing—follows strict global standard operating procedures (SOPs).

4. Supply Chain Advantages & Strategic Sourcing for Global Buyers

Procuring medical implants from China has shifted from a search for simple cost-arbitrage to a strategic integration of robust supply chain ecosystems. At Axiora, we consolidate raw materials, high-precision tooling, cleanroom packaging, and rapid R&D iteration within a centralized hub to minimize delivery cycles and overhead.

Information Gain: Strategic Raw Material Control

One of Axiora’s key competitive advantages lies in our long-term supply agreements with primary medical-grade raw material providers. For titanium alloy components (Ti6Al4V ELI conforming to ASTM F136), we rely on domestic aerospace-grade smelters capable of providing absolute melt batch traceability. For Ultra-High Molecular Weight Polyethylene (UHMWPE), we import premium GUR resins directly from Celanese (Ticona) to verify cross-linking behavior during processing. This dual domestic-global material pipeline shields our overseas buyers from pricing shocks and material shortfalls.

MDSAP & ISO 13485 Standards

Our quality management system is audited under the Medical Device Single Audit Program (MDSAP). This streamlines registration in the US, Canada, Australia, Japan, and Brazil by utilizing a single unified quality audit report.

Comprehensive OEM/ODM Service

We provide full reverse-engineering services and custom OEM manufacturing based on customer blueprints. Our R&D center can take a prototype from CAD model to 3D titanium-printed sample in under 10 business days.

Flexible MOQ & Logistics

Understanding the inventory carrying costs for regional distributors, we support flexible Minimum Order Quantities (MOQ) per component dimension, coupled with air/sea door-to-door medical logistics.

Navigating the global regulatory landscape is a core hurdle for medical device distributors. Axiora provides full Technical Documentation Dossiers (TDD) for CE MDR (EU) 2017/745 compliance, FDA 510(k) applications, and domestic regulatory registrations in Latin America and the APAC region:

  • European Union (CE MDR): Full conformity assessments, biocompatibility data (ISO 10993 series), and Clinical Evaluation Reports (CER) updated to current MDR requirements.
  • United States (FDA): Support for predicate device comparison studies, engineering wear testing reports (ISO 14242 wear simulation), and mechanical characterization.
  • Regional Dossiers: Translation, legalization, and local agent liaison support for registration in markets including Brazil (ANVISA), Mexico (COFEPRIS), and Saudi Arabia (SFDA).

5. Clinical Scenarios & Future Frontiers in Joint Tribology

The choice of articulation couple in Total Hip Arthroplasty (THA) is dictated by patient age, activity index, anatomical geometry, and cost. While ceramic-on-ceramic (CoC) bearings offer exceptional hardness, they suffer from risk of brittle fracture and potential squeaking. Metal-on-Polyethylene (MoP) remains the ideal biomechanical fit for specific clinical populations.

Geriatric & Low-Activity Patients

Older demographics benefit from MoP due to its forgiving nature, low initial cost, and low risk of catastrophic component fracture. Volumetric wear is minimal under low-activity lifestyles.

Dual-Mobility Systems

Designed to address instability and recurrent dislocation, dual-mobility cups utilize a double articulation mechanism where a small metallic head articulates inside a large mobile XLPE liner.

Revision Hip Arthroplasty

For patients requiring complex revisions, MoP provides a highly adaptable bearing interface, reducing stresses at the bone-implant interface during high-impact loading.

Information Gain: The Future of Ceramicized Metal & Vitamin E Polyethylene

The industry is transitioning toward combining the advantages of different materials. One key trend is "Ceramicized Metal" heads (such as Oxidized Zirconium), which match the scratch resistance of ceramics while retaining the structural ductility of metals. Paired with next-generation Vitamin E stabilized highly cross-linked polyethylene (VE-XLPE), this combination maintains high fatigue strength and resistance to delamination, keeping wear rates under 1 mm³ per million cycles in simulated testing.

6. B2B Technical & Commercial FAQ

Q1: What raw materials are used for your polyethylene liners, and how are they cross-linked?
We use premium medical-grade Ultra-High Molecular Weight Polyethylene (UHMWPE) GUR 1020 and GUR 1050 raw material resins. The cross-linking process involves subjecting the molded bars or preforms to high-dose electron beam irradiation (typically between 50 to 100 kGy). This breaks polymer bonds to create a dense, cross-linked molecular network (Highly Cross-Linked Polyethylene - XLPE). Following irradiation, thermal annealing is performed at sub-melting point levels to eliminate residual free radicals and prevent long-term in-vivo oxidation.
Q2: What are the tolerances and surface finish specifications of your CoCrMo heads?
Our CoCrMo heads (manufactured from ASTM F1537 wrought alloy) are ground and super-polished to a surface roughness (Ra) of less than 0.01 microns. Spherical deviation (sphericity) is held under 0.5 microns. The taper interface (e.g., 12/14 taper) is manufactured with high-precision CNC lathes to guarantee micrometer-level fit with our femoral stems, mitigating the risk of fretting corrosion at the trunnion interface.
Q3: How does Axiora assist international distributors with regulatory registrations?
We maintain a dedicated regulatory affairs department of 12 professionals. We provide complete Technical Documentation Dossiers (TDD) that align with CE MDR (EU) 2017/745, US FDA 510(k) templates, and MDSAP requirements. This documentation includes biocompatibility testing certificates (ISO 10993), sterilization validation protocols (ISO 11137 / ISO 11135), shelf-life packaging validation studies, and engineering wear simulation testing data (ISO 14242).
Q4: What is the typical lead time for custom OEM joint implant orders?
For standard OEM requests utilizing our existing tooling, the manufacturing lead time is 45 to 60 days, including CNC machining, passivation, cleaning, cleanroom packaging, and sterilization. For custom ODM designs that require custom tooling molds or unique material processing (like Vitamin E infusion or special anatomical geometry), the initial prototyping takes 30 to 45 days, followed by mass production cycles of 60 to 90 days.
Q5: How do you handle sterilization, packaging, and shelf-life verification?
All our joint implants are packaged within our ISO Class 7 (Class 10,000) cleanrooms. Polyethylene liners are double-barrier blister packed in Tyvek pouches under a modified nitrogen atmosphere to prevent oxidation, then sterilized via Ethylene Oxide (EtO) or Gamma irradiation. Our packaging and sterilization validation studies verify a sterile shelf-life barrier of 5 years under standard storage conditions.
Q6: Do you supply the revision stem and extractor instrumentation sets as well?
Yes, Axiora is a complete system provider. We design, manufacture, and export not only the primary and revision implants (stems, cups, liners, heads) but also the matching orthopedic instrument sets. This includes trial heads, acetabular reamers, trial cups, bone files, and general revision stem extractors (such as the Joint Revision Surgery General Stem Extractor Set listed in our catalogue).

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