Irregular Needle Knife (Shaped Needle Knife): Biomechanically Optimized for Advanced Microsurgical Release
Shaped Needle Knife Clinical Purpose
Our geometrically engineered needle knife enables unparalleled precision in confined-space surgical procedures. Designed for selective tissue release in endoscopic, orthopedic, and neurosurgical interventions, its variable-profile blade delivers controlled dissection while preserving critical structures.
Key Advantages of Irregular Needle Knife
Ultra-Precise Cutting Biomechanics
Computationally optimized blade angles (patent-pending) reduce tissue resistance by 60% vs. standard knives.
Nano-scale mirror edges (Ra ≤0.05μm) maintain sharpness through 50+ procedures.
Dynamic Contouring Capability
Mid-blade reduction zone enables in-procedure bending (0°-90°) without fracture risk.
Tactile feedback enhancement detects tissue density transitions.
Procedural Safety
Pagoda/knurled tails provide positive grip in bloody/fluidy fields.
Gradual taper transition minimizes collateral damage (validated necrosis zone <200μm).
Advanced Material Science
| Component | Specification |
|---|---|
| Blade Core | Medical SUS304 (HRC 58±1, ASTM F899) |
| Edge Treatment | Cryogenic hardening + diamond-like carbon coating |
| Handle | ERGAL™ aviation aluminum with textured grip |
Technical Specifications
| Parameter | Specification |
|---|---|
| Sizes | 10Fr (3.3mm) – 25Fr (8.3mm) |
| Blade Length | 3mm / 5mm / 10mm (±0.05mm) |
| Bend Radius | ≥1.5mm (30+ cycles) |
| Cutting Force | 0.15–0.8N (tissue-dependent) |
Critical Applications
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Endoscopic submucosal dissection (ESD)
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Spinal ligamentum flavum release
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Peripheral nerve decompression
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Arthroscopic adhesion lysis
