Precision Implants & Instruments: Production Selection 01
Explore medical-grade titanium and stainless steel fracture management systems engineered to stringent ISO 13485 guidelines with multi-axial stability and sterile double-barrier packaging.
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Review DetailsSmall Fragment Fixation: The 2.4mm Variable Angle Paradigm
Internal fixation of complex articular fractures—most notably intra-articular distal radius disruptions (AO/OTA Type 23-C), hand metacarpals, and osteopenic small bone anatomy—demands exceptional biomechanical versatility.
15° Polyaxial Trajectory Cone
Unlike conventional monoaxial locking plates that limit screw orientation along a predefined axis, the 2.4mm Variable Angle (VA) LCP allows surgeons to angulate screws up to 15° off-center in any direction (yielding a total 30° conical arc). This ensures targeted capture of comminuted subchondral fragments without joint capsule breach.
Subchondral Raft Biomechanics
By arraying multiple 2.4mm variable angle locking screws parallel to the subchondral tidemark, the system constructs a rigid scaffolding raft. This prevents secondary collapse of the articular cup under physiological wrist loading during rehabilitation, even in advanced osteoporotic bones.
Periosteal Blood Supply Preservation
The Limited Contact Plate (LCP) scalloped under-surface reduces bone-to-plate compression stress by over 62% compared to non-locking reconstruction plates. By preserving the periosteal microvascular bed, primary osteotomy and comminuted fracture sites exhibit accelerated union rates.
| Biomechanical / Dimensional Metric | ZATH 2.4mm VA LCP Specifications | Conventional Small Fragment Plates | Clinical Performance Advantage |
|---|---|---|---|
| Raw Material Standard | ISO 5832-3 / ASTM F136 Ti-6Al-4V ELI (Grade 23) | Commercial CP Titanium or 316L Stainless | Superior fatigue life and extreme biocompatibility |
| Angular Freedom Range | ±15° off-axis (30° conical field of trajectory) | Fixed 0° perpendicular / Monoaxial only | Enables bespoke fixation around lunate & scaphoid facets |
| Plate Profile Thickness | Low-profile tapered 1.6mm – 2.0mm anatomic distal lip | 2.5mm – 3.0mm standard thick lip | Negligible flexor pollicis longus (FPL) tendon impingement |
| Screw Locking Mechanism | Four-point threaded column lock within plate hole | Single-thread friction taper | Resists cross-threading up to 3 insertions; zero cold welding |
| Torsional Yield Strength | 2.15 N·m (Yield tested to ASTM F543 standard) | 1.45 – 1.65 N·m standard | Prevents screw-head strippage during high-density cortical insertion |
Factory-Direct Dynamics: Optimizing Hospital Procurement Margins
In today's value-based surgical healthcare climate, hospitals and national tender authorities face mounting cost pressures. Discover how direct exporter partnerships bridge elite surgical tolerance with competitive wholesale pricing.
Tier-1 Cost Efficiencies Without Compromise
By producing implants directly inside Beijing ZhongAnTaiHua Technology's automated facility in the Zhongguancun Science Park, distributors bypass multi-tier markups. We eliminate intermediary broker commissions to provide 40%–60% cost reductions relative to legacy Western brands while matching critical tolerances.
High-Precision CNC Automated Lines
Our workshop utilizes ultra-precision Swiss multi-axis machining centers and Wire EDM profiling. This eliminates dimensional variation across high-volume production batches, ensuring identical locking thread pitch (±0.005mm) across 10,000+ unit supply contracts.
Streamlined 4–6 Day Global Logistics
Supported by international air express carriers (DHL, FedEx, TNT, UPS), our finished warehouse maintains buffer stocks for rapid replenishment. Whether supplying clinical trials or recurring hospital tenders across Europe, Latin America, Southeast Asia, or the Middle East, stock reaches ports in days.
Localized Support & Regulatory Compliance
Entering overseas medical device markets demands meticulous regulatory documentation. ZATH equips distributor partners with end-to-end technical documentation, validation data, and localized auditing support.
ISO 13485:2016 Certified QMS
Every phase—from titanium bar stock spectral analysis and CNC lathe programming to cleanroom ultrasonic degreasing and sterile Tyvek packaging—is managed under ISO 13485:2016 quality management principles.
Global Dossiers & Free Sale Certificates
We provide full technical documentation conforming to EU MDR 2017/745 Class IIb requirements, including biocompatibility reports (ISO 10993 series), cleanroom bioburden data, and embassy-notarized Free Sale Certificates (FSC).
OEM / ODM Customized Branding
Complete flexibility for national tenders: customized laser etching (UDI, LOT numbers, company brand), custom color anodization (Type II anodizing), tailored drill-guide ergonomics, and bilingual instructions for use (IFU).
Surgical Workflows: Anatomical Applications of the 2.4mm VA Plate
Engineered for exacting small bone anatomy where standard 3.5mm plates are excessively bulky and non-locking mini-fragment screws lack holding power in poor bone stock.
1. Volar Distal Radius Comminution
For AO/OTA 23-C2 and C3 intra-articular fractures. The anatomical volar curvature fits directly onto the watershed line without irritation of the pronator quadratus or flexor tendons. The variable angle locking screws allow individual targeting of styloid and dorsal rim fragments.
2. Metacarpal & Phalangeal Fractures
High-energy rotational and comminuted hand fractures require low-profile osteosynthesis to preserve delicate intrinsic extensor glide surfaces. The 2.4mm screw diameter prevents splitting of small metacarpal cortical shafts during compression.
3. Corrective Osteotomies & Nonunions
In malunited fractures with persistent dorsal tilt or radial shortening, the 2.4mm variable angle system permits precise angular correction up to 15° per hole, maintaining stable dynamic anatomical alignment throughout healing.
Engineering Horizons: The Future of Variable Angle Fixation
Continuous clinical feedback and additive manufacturing breakthroughs are redefining trauma surgery. Here is ZATH's development trajectory over the next generation of implant development.
Type II Hard Anodization & Stardrive T8
Full rollout of standardized self-retaining T8 Stardrive recessing across all 2.4mm screws, coupled with high-durability color anodization to prevent intraoperative cold welding and cam-out deformation under high torque loads.
Selective Laser Melting (SLM) Trabecular Mesh
3D-printed titanium osteoconductive trabecular porous interfaces incorporated directly onto the underside of metaphyseal plates to accelerate periosteal integration while optimizing elastic modulus to avoid stress shielding.
Digital Pre-Op & Bio-Composite Resorption
Integrating CT-derived patient-specific surgical plates with biodegradable magnesium-alloy locking plugs that gradually resorb as bone consolidation is established, leaving behind zero permanent foreign body hardware.
Frequently Asked Questions: Procurement & Clinical Engineering
Clear, direct answers for international biomedical distributors, orthopaedic surgeons, and hospital procurement teams regarding 2.4mm Variable Angle Locking Compression Systems.
Precision Implants & Instruments: Production Selection 02
Explore our broader traumatology, arthroplasty, and reconstruction instrumentation suites, manufactured under strict ISO 13485 cleanroom validation.
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Review DetailsRequest Technical Dossiers & Volume Wholesale Quotations
Partner directly with Beijing ZhongAnTaiHua Technology Co., Ltd. for factory pricing on the complete 2.4mm Variable Angle LCP series, matching instrumentation caddies, and customized national tender support.