Explore our CE-approved, high-precision spinal implants and surgical instrument systems engineered for clinical efficacy.
Years of Clinical Experience
Advanced Precision CNC Machines
CE & ISO 13485 Compliant
Standard Sterile Cleanrooms
Changsha WEX Medical Instruments Co., Ltd. has accumulated over twenty years of pioneering excellence in the design, engineering, and scaled manufacturing of high-performance orthopaedic implants and instruments. Globally recognized under the proprietary "WEX" brand, our product portfolio encompasses advanced bone plates, osteosynthesis bone screws, interlocking intramedullary nails, complex spinal fixation systems, and comprehensive surgical instrumentation.
All WEX implantable medical devices are manufactured in strict compliance with CE and ISO 9001 / ISO 13485 standards, providing clinical operators and global purchasing managers with absolute therapeutic safety, structural integrity, and regulatory assurance. At WEX, our foundational tenet is simple yet demanding: "Be professional for manufacturing high-quality products, be wholehearted for serving customers." Through extensive collaborations with clinical orthopaedic experts across tier-one research hospitals, we bridge the gap between surgical intuition and material science.
To sustain microscopic dimensional tolerances and zero-defect yield rates in spinal reconstruction devices, WEX has established an advanced production environment. Our sprawling facility features high-standard clean workshops compliant with GMP regulations, shielding sensitive bio-implant materials from particulate contaminants.
Equipped with over 100 high-end manufacturing systems, including Swiss-type CNC sliding headstock auto-lathes, multi-axis CNC machining centers, precision CNC milling, and CNC lathing machines. This enables sub-micron precision for intricate pedicle screw threads and laminar hooks.
Our quality department operates state-of-the-art testing instrumentation: Optical Projectors, computer-controlled Tensile-testing machines (for fatigue and pull-out resistance evaluation), Rockwell/Vickers Durometers, Carbon & Sulphur Analyzers, Pitting LP detecting systems, and Fluorescent fault detectors to locate microscopic material fissures.
Our packaging processes are executed in class 10,000 / ISO Class 7 cleanrooms conforming to global GMP standards. Advanced multi-stage ultrasonic cleaning lines run continuously to guarantee minimal bioburden limits prior to final packaging and gamma/EO sterilization processes.
Every spinal implant batch undergoes strict raw material tracing. From the purchase of implant-grade Titanium alloy (Ti-6Al-4V ELI) and PEEK (Polyetheretherketone) to final mechanical and chemical testing, the WEX Quality Management System (certified under ISO 9001:2008 and ISO 13485:2003/2016) guarantees compliance with global medical regulatory frameworks.
By conducting continuous bio-compatibility assays, mechanical stress testing, and chemical composition analysis, WEX ensures that spinal fixation screws, rods, and cages maintain absolute stability in the high-stress environment of the human spine.
Step-by-step cleanroom production, testing, and aseptic preparation flow at the WEX medical facility.
As spinal surgery trends heavily toward minimally invasive procedures (MISS) and custom patient-specific solutions, WEX Medical is aligning its engineering roadmap with the next generation of implantable bio-technologies. Our R&D division, in collaboration with leading clinical centers, focuses on three pillars of innovation:
Transitioning toward advanced additive manufacturing (3D printing) using Ti-6Al-4V powder to create porous titanium scaffolds. These structures mimic trabecular bone geometry, promoting rapid osseointegration and lowering the elasticity modulus to avoid bone resorption.
For temporary fixation, we are developing advanced bioabsorbable polymers (PLLA/PDLLA blends) with customized degradation profiles. These materials maintain stability throughout the critical bone healing phase before breaking down safely into metabolic byproducts.
Engineering future-proof pedicle screw platforms that integrate seamlessly with robotic surgery and electromagnetic tracking navigation systems. This reduces intraoperative fluoroscopy exposure while enhancing screw placement precision.
Spinal disorders pose complex biomechanical challenges that vary based on the patient's pathology, age, and bone density. WEX Spinal Fixation Systems are systematically designed to provide clinical pathways for a wide range of indications:
For structural spinal corrections, our posterior fixation systems feature low-profile, multi-axial pedicle screws and high-tensile titanium rods. These implants provide the necessary mechanical leverage to correct severe curves while minimizing construct footprint and patient discomfort.
Interbody fusion cages made of biocompatible PEEK provide immediate stability to the anterior column, restoring physiological disc height and lordosis. Their radiolucent properties allow surgeons to easily monitor bone fusion over time.
In cases of vertebral burst fractures or subluxation, WEX pedicle screws feature advanced dual-lead thread designs that grip cortical and cancellous bone aggressively. This provides immediate, secure load sharing to protect the spinal cord during recovery.
To support patients with osteolytic spine lesions, our low-profile stabilization systems provide reliable palliative support. They prevent segment collapse and alleviate severe mechanical pain while fitting easily alongside adjunctive radiation therapy.
Manufacturing in Changsha, Hunan—a major hub for high-end equipment manufacturing in China—WEX Medical combines regional industrial efficiencies with digital lean production. By adopting 'Industry 4.0' smart manufacturing principles, we deliver reliable supply chain resilience to international buyers:
Integrated Material Sourcing: WEX maintains strategic raw material partnerships, ensuring consistent access to medical-grade Titanium and implantable PEEK. Each batch comes with chemical composition certificates, insulating our production lines from global raw material fluctuations.
Process Automation: Automated CNC cycles run continuously, reducing human variation and production overhead. This efficiency allows WEX to offer competitive pricing without compromising the micro-tolerances required for implantable medical devices.
Scalable Production Capacity: Our production line can quickly scale to accommodate large hospital tender orders or customized private label (OEM) projects, ensuring dependable, on-time delivery.
Every bar of titanium or polymer undergoes ultrasonic testing and chemical analysis before entering the CNC production line.
Swiss-type sliding headstock lathes maintain tolerances within ±0.005mm, crucial for the thread interfaces of locking pedicle screws.
Our logistics center handles standard sea freight, air express, and international multimodal transport, facilitating fast customs clearances worldwide.
Registering medical devices in international markets is a complex regulatory process. WEX provides comprehensive documentation and administrative support to streamline product registration and import clearances.
We provide full technical documentation, including biocompatibility reports, mechanical test certificates (ASTM/ISO standards), clinical evaluation reports, and manufacturing process flow charts, simplifying filings with international health authorities.
Our CE and ISO 13485 certifications are updated continuously to comply with evolving medical device regulations (such as EU MDR transitions), providing long-term market access and commercial stability.
We offer customized labeling, packaging design, and laser marking, along with tailored surgical instrument kits designed to meet local operating theater protocols and user preferences.
WEX uses medical-grade Titanium Alloy (Ti-6Al-4V ELI conforming to ASTM F136 / ISO 5832-3) and pure Polyetheretherketone (PEEK). These materials are chosen for their excellent biocompatibility, high strength-to-weight ratio, fatigue resistance, and chemical stability within the human body. Bioabsorbable interference screws are made of Poly-L-Lactide (PLLA), which degrades into lactic acid over a predictable clinical timeframe.
Our spinal fixation assemblies undergo rigid mechanical validation testing under axial compression, bending, and torsion. Tension-compression fatigue life tests are run for up to 5,000,000 cycles to simulate long-term implant performance. Microstructural inspections are conducted using non-destructive fluorescent fault detection and carbon-sulfur chemical analysis to rule out internal material defects.
WEX Medical maintains certified compliance with ISO 13485:2003 / 2016 (Medical Devices Quality Management Systems) and ISO 9001:2008. All implant products carry CE certificates. Our production and cleanroom packaging facilities operate under GMP guidelines, and we are regularly audited by international notified bodies to maintain our export certifications.
Yes. WEX offers comprehensive OEM and ODM manufacturing services. We can customize implant designs, thread patterns, laser markings, and custom surgical instrumentation sets based on CAD models or functional blueprints provided by clients. All OEM products can be packaged under customer labels in our class-10,000 cleanrooms.
For standard catalog items, orders can be dispatched within 7-15 business days depending on current inventory levels. Larger contract orders or OEM/ODM projects typically require 30-45 days, which includes material allocation, CNC programming, ultrasonic cleaning, cleanroom packaging, and sterilization validation.
High-quality intramedullary nails, external fixators, and specialized surgical equipment to support comprehensive orthopaedic operations.
WEX Medical