Hydroxyapatite coated bone Screws, HA coated external fixation pins #Hydroxyapatitescrews

General Description
Our premium line of external fixation pins represents a significant advancement in orthopedic trauma solutions, specifically engineered to deliver exceptional stability and long-term biological fixation. Fabricated from medical-grade 17-4PH stainless steel, these high-performance bone pins provide superior mechanical strength, excellent fatigue resistance, and optimal torsional rigidity required for demanding external skeletal fixation constructs. The distal threaded segment features a specialized plasma-sprayed hydroxyapatite coating, establishing a highly osteoconductive surface that actively accelerates bone ingrowth and integration. By blending robust mechanical properties with advanced surface modification technology, these apex pins optimize the bone-pin interface, making them the preferred choice for international distributors and orthopedic surgeons seeking to minimize clinical complications and improve patient outcomes in complex fracture management.

Key Technical Features
• Advanced Hydroxyapatite Surface Modification: The distal threaded tip is precision-coated with high-purity hydroxyapatite using state-of-the-art plasma spray technology, creating a micro-porous structure that stimulates rapid osseointegration.
• Premium 17-4PH Stainless Steel Substrate: Manufactured from medical-grade 17-4PH stainless steel, ensuring exceptional load-bearing capacity, outstanding yield strength, and maximum resistance to pin shearing during insertion.
• Enhanced Interface Stability: The bioactive coating establishes a superior biological seal and direct structural connection with surrounding cortical bone, significantly reducing micro-motion.
• Superior Infection Barrier: Accelerated bone-to-pin contact effectively seals the pin tract, mitigating the risk of tracking bacteria and lowering pin-tract infection rates during prolonged fixation periods.
• Excellent Coating Adherence: Optimized grit-blasting and thermal spraying processes guarantee high bond strength between the 17-4PH substrate and the bioactive layer, preventing delamination during cortical deployment.

Intended Use
These specialized osteoconductive skeletal pins are intended for surgical insertion into transcutaneous bone structures to anchor external fixation frames. They serve as critical stabilizing elements that transfer physiological mechanical loads from the skeletal system to the external structural construct, maintaining anatomical alignment and facilitating bone healing across fracture gaps.

Indications for Use
• Stabilization of open or closed complex long bone fractures, including severe comminuted fractures of the femur, tibia, humerus, and pelvis.
• Arthrodesis, joint distraction procedures, and corrective osteotomies for congenital or acquired limb deformities.
• Limb lengthening protocols and segmental bone transport following major bone loss or oncological resections.
• Temporary or definitive stabilization in polytrauma settings where rapid skeletal stabilization is critical.
• Fixation in osteopenic or poor-quality bone structures where standard non-coated pins are susceptible to early loosening.

Contraindications
• Active, acute, or uncontrolled systemic infection that compromises bone metabolic responses or surgical healing.
• Known severe hypersensitivity, allergic reactions, or foreign body intolerance to hydroxyapatite or 17-4PH stainless steel components.
• Severe, unmanaged metabolic bone diseases or physiological conditions that completely inhibit healthy osteoblastic bone formation.
• Non-compliant patients who are unable or unwilling to adhere to post-operative external frame care protocols and pin site management instructions.

Product Specifications and Parameters
Product Parameter Technical Specification
Substrate Material Medical-Grade 17-4PH Or 420B Stainless Steel
Coating Material High-Purity Bioactive Hydroxyapatite (HA)
Coating Application Automated Vacuum Plasma Spraying (VPS) / Plasma Spray
Coating Thickness Range 20 µm to 50 µm (Customizable based on clinical needs)
Coating Location Distal Threaded Segment (Threaded Tip Only)
Available Pin Diameters 3.5mm, 4.0mm, 5.0mm, 6.0mm
Total Pin Lengths 90mm, 100mm, 160mm, 170mm, 180mm
Thread Profile Options Self-Tapping Cortical / Cancellous Profiles
Drive End Design Square Tang / Flat Driver Interface
Quality & Compliance Manufactured under ISO 13485, CE Compliant Architecture

Видео Hydroxyapatite coated bone Screws, HA coated external fixation pins #Hydroxyapatitescrews канала Best Medical - Top orthopedic products for doctors