Precision-engineered titanium locking plates, interlocking nails, and specialized surgical instruments manufactured for hospital procurement teams and global orthopedic distributors.
SGS-verified manufacturing infrastructure with 22+ years of specialized medical device engineering experience. Delivering certified trauma, spinal, and sports medicine implant systems globally.
Fractures of the humerus—comprising proximal humeral fractures, humeral shaft fractures, and distal extra-articular nonunions—present unique clinical and biomechanical challenges. Historically, surgical management relied heavily on open reduction and internal fixation (ORIF) utilizing anatomical locking compression plates. However, clinical advancements and meta-analyses over the past decade have driven a decisive paradigm shift toward minimally invasive intramedullary nailing (IMN) systems.
As a leading China Wholesale Humeral Nails Manufacturer & Factory, Zhejiang INAR Medical Co., Ltd. engineers advanced anatomical humeral nail systems designed to optimize load-sharing biomechanics, reduce soft-tissue stripping, preserve periosteal blood supply, and accelerate post-operative recovery. Humeral intramedullary nails act as a central splint positioned directly along the mechanical axis of the upper arm, yielding significantly higher torsional rigidity and bending resistance under functional loads than excentric plating systems.
Modern proximal and standard humeral nails are constructed with multiplanar locking screw options. Proximal multiplanar locking allows rigid fixation into the osteoporotic cancellous bone of the humeral head, while dynamic distal locking slots accommodate micro-motion necessary for callus formation during secondary bone healing. By utilizing Ti-6Al-4V ELI (Grade 5 Titanium Alloy), implants provide optimal biomechanical stiffness without inducing excessive stress shielding.
Specifically contoured for 2-part, 3-part, and select 4-part proximal humerus fractures. Features a short length (150mm–180mm) with convergent/divergent proximal locking screw configurations, ascending calcar support screws, and suturing eyelets for tuberosity reattachment.
Designed for diaphyseal humeral fractures. Available in lengths from 200mm to 320mm and diameters from 7mm to 10mm. Engineered for both anterograde (rotator cuff entry) and retrograde (supracondylar entry) surgical approaches.
Cannulated design allows guide-wire insertion over reamed or unreamed canals. Built-in proximal thread grooves enable precise compression across fracture sites, reducing post-operative nonunion rates in difficult trauma cases.
Direct factory specifications for bulk procurement, OEM customization, and hospital tender specifications.
| Specification Parameter | Proximal Humeral Nail System | Standard Humeral Shaft Intramedullary Nail | OEM Customization Capability |
|---|---|---|---|
| Raw Material Grade | Ti-6Al-4V ELI (ASTM F136 / ISO 5832-3) | Ti-6Al-4V ELI / Medical Grade 316L Stainless | Material Certifications Provided (SGS / ISO) |
| Nail Diameter (Ø) | 7.0 mm, 8.0 mm, 9.0 mm | 7.0 mm, 8.0 mm, 9.0 mm, 10.0 mm | Custom Diameter Tolerances (±0.01mm) |
| Nail Length (L) | 150 mm, 160 mm, 180 mm | 200 mm to 320 mm (20mm increments) | Custom lengths on request |
| Proximal Bend Angle | 4° to 6° Herzog bend for cuff preservation | 3° to 5° proximal anatomical bend | Anatomical CAD modeling available |
| Proximal Locking Screws | 3.5mm / 4.0mm Multiplanar Locking Screws | 3.5mm / 4.0mm Locking Screws | Custom thread pitch & self-tapping tips |
| Distal Locking Configuration | Dynamic & Static Locking Slots (3.5mm) | Dual-plane Static & Dynamic Slots | Custom slot orientation & length |
| Surface Treatment | Type II Anodization / Electrochemical Color | Type II Anodization / Micro-blast matte finish | Laser marking & custom color coding |
Insights for medical device importers, tenders, and distributors navigating regulatory shifts, raw material supply chains, and surgical innovations.
Distributors are prioritizing nails paired with carbon-fiber radiolucent targeting jigs. Carbon-fiber instrumentation ensures clear X-ray and C-arm visualization during distal locking screw placement, reducing intraoperative fluoroscopy exposure.
With the European Union Medical Device Regulation (EU MDR 2017/745) enforcing rigorous clinical evaluation and post-market surveillance, hospital procurement divisions prefer SGS-verified factories with proven CE and ISO 13485 certification.
Aging global populations have sharply increased osteoporotic proximal humerus fractures. Tenders increasingly request humeral nails equipped with calcar-guided support screws and cement augmentation options for fragile bone stock.
Global supply chain disruptions have led procurement directors to bypass middle trading companies in favor of integrated China manufacturing facilities offering end-to-end production from raw titanium bar stock to aseptic sterile packaging.
At Zhejiang INAR Medical Co., Ltd., quality reliability is embedded in every phase of our manufacturing process. Operating a 29,523 m² facility staffed by 632 medical engineering professionals, our production line follows strict 13-stage manufacturing and quality assurance workflows to ensure total dimensional compliance and fatigue endurance.
Utilizing high-precision multi-axis CNC Swiss turning centers to machine titanium bar stock with micro-level accuracy, ensuring flawless screw-thread engagements and uniform wall thickness across nail cannulations.
Every implant undergoes multi-stage ultrasonic cleaning, sandblasting, and Type II electrochemical anodization. Color coding facilitates intuitive size identification in the operating theater.
Implants undergo liquid penetrant testing for microscopic surface flaws, dimensional CMM verification, and biomechanical fatigue testing (per ASTM F1264) before final packing in ISO Class 7 cleanrooms.
Essential technical, regulatory, and commercial information for orthopedic distributors, importers, and hospital procurement officers.
Elevate your product portfolio with SGS-verified, CE-certified orthopedic trauma implants directly from our factory floor. Gain a competitive edge with direct wholesale pricing, custom OEM solutions, and dedicated regulatory export support.