Q15-12 long bone traction special operation instruments package
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1. Product Overview
The WELLBONE Long Bone Extremity Minimally Invasive Traction & Reduction Specialized Surgical Instrument Package (Long Bone Traction Special Operation Instruments Package) is an advanced, high-mechanical-load toolset purposefully engineered for the controlled closed reduction of high-energy, unstable fractures of the femur, tibia, and humerus. Long bone fractures, particularly those of the femoral shaft, are surrounded by powerful muscle groups (such as the quadriceps and hamstrings) that induce severe shortening, overriding, and rotational displacement. Traditional manual skeletal traction is exhausting for the surgical team and lacks a stable, locked state during internal fixation. This specialized package completely replaces manual continuous counter-traction with a precise mechanical threaded-drive and rigid-clamping framework. Featuring an ultra-premium Matte Satin anti-reflective finish, the system pairs a heavy-duty, high-load external distractor frame in the lower chassis with flexible traction bows and fine-adjustment tightening couplers in the upper tray. Together, they deliver smooth, continuous, millimeter-level adjustable axial distraction and rotational control for Minimally Invasive Plate Osteosynthesis (MIPO) or Interlocking Intramedullary Nailing (IMN). By bypassing the requirement for standard, cumbersome orthopedic traction tables, this kit allows high-difficulty reductions to be performed efficiently on standard operating tables, minimizing soft-tissue trauma and establishing an authoritative standard for modern minimally invasive trauma surgery.
2. Component Architecture & Stacking Layout
According to the high-resolution product layout 长骨牵引器械包.jpg, the system is organized within a premium dual-tier aluminum sterilization container, optimizing procedural efficiency and rapid intraoperative assembly:
Upper Tray Infrastructure (Upper Blue Tray)
- Heavy-Duty Anatomical Skeletal Traction Bows / Calipers: Two large-span, high-rigidity symmetric bow frames with specialized terminal locking assemblies.
- T-Handle Micro-Adjustment Threaded Drive Rod: Translates rotational manual force into linear axial distraction for millimeter-level control.
- Universal Clamping Blocks & Pin Couplers: Multi-size locking sliders designed to rigidly secure Kirschner wires or Schanz pins.
- Modular Extension Rods & Functional Wrenches: Includes solid extension linking bars and open-ended high-torque wrenches.
Lower Box Infrastructure (Base Gray Tray)
- Heavy-Duty Integrated Long Bone Distractor / Reduction Frame: Ultra-rigid stainless steel frame assembly utilizing a multi-axis sliding track.
- Extended Coarse & Fine Dual-Drive Shafts: Integrated into the core distractor frame for rapid coarse reduction and precision fine-pitch alignment.
- High-Traction Blue Silicone-Wrapped Tightening Drivers: Oversized drivers with medical-grade, high-friction blue silicone grips.
- High-Flow Stainless Steel Bracket Bracing: Form-fitted brackets that preserve mechanical tolerances during transport and autoclaving.
3. Primary Technical Parameters
| Metallurgical Grade & Tensile Yield Strength | All load-bearing structures and bone-interfacing blocks are forged from high-hardness 17-4PH surgical stainless steel and premium 6061-T6 structural aluminum, supporting an axial traction load of ≥2500N. |
| Transfixion Pin & Pin Size Compatibility | Universal locking couplers and frame clamps are fully compatible with Ø2.5mm / Ø3.5mm Kirschner wires and Ø4.5mm / Ø5.0mm / Ø6.0mm heavy-duty Schanz osteotomy screws. |
| Effective Mechanical Distraction Stroke | Effective mechanical travel range of 0mm - 220mm, with fine-adjustment drive threads providing 1.5mm of predictable displacement per full revolution. |
| Ergonomic Grip & Torque Capacity | Medical-grade blue silicone grips feature an oversized diameter of 28mm-32mm, allowing over 12N·m of locking torque. |
| Anti-Glare Surface Conditioning | Satin Micro-Bead Blasting, lowering light reflectivity by >85% to eliminate glare under C-arm fluoroscopy. |
| Sterilization Framework & Compliance | Withstand ≥3000 pre-vacuum autoclave cycles at 134°C without coating degradation. |
4. Functional Mechanisms & Performance
1
High-Load Axial Shortening Overcoming: Generates immense linear force to smoothly pull apart overriding, shortened bone fragments and restore anatomical limb length.
2
Three-Dimensional Angular & Bowing Correction: Apply targeted lateral vectors to eliminate varus/valgus or anterior/posterior bowing under continuous tension.
3
Precise Rotational Realignment Maintenance: Securely rotates and locks distal limb fragments to restore critical femoral anteversion or tibial torsion angles.
4
Hands-Free Stabilization During Internal Fixation: Provides absolute mechanical self-locking, freeing surgical assistants and allowing the surgeon to step back from the radiation field.
5. Key Competitive Advantages
Efficiency Bypasses Cumbrous Traction Tables: Allows precise reduction on a standard operating bed, saving OR space and reducing nerve compression risks.
Precision Millimeter-Scale Predictable Adjustment: Micro-threaded screws execute safe, incremental adjustments, eliminating the risk of over-distraction.
Radiolucency Unobstructed Operative Windows: High-clearance geometry provides ample space for MIPO or IMN without X-ray blocking or tool collisions.
Ergonomics High-Contrast Blue Silicone Handles: Superior tactile friction even when wet, accelerating instrumentation handling and cleaning cycles.
6. Clinical Indications
This specialized Long Bone Extremity Traction & Reduction Instrument Package is widely indicated for:
- Femoral Shaft Fractures: High-energy fractures with severe soft-tissue swelling and significant shortening.
- Subtrochanteric Femur Fractures: Unstable patterns where proximal fragments undergo severe flexion and abduction.
- High-Energy Tibial Shaft Fractures: Comminuted or segmental fractures requiring stabilization via IMN or bridge plating.
- Revision Surgery for Long Bone Malunions: Complex scenarios requiring forceful intraoperative osteotomy and calibrated distraction.
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