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Multidimensional Humeral Intramedullary Nail
Multidimensional Humeral Intramedullary Nail

Multidimensional Humeral Intramedullary Nail System

Category
Adaptive Fixation for Complex Proximal Humeral Fractures
An anatomically engineered titanium nail delivering triplanar proximal locking and distal dynamic compression to address osteoporosis-prone fractures and comminuted patterns. Features integrated instrumentation for minimally invasive insertion across 50–85% of humeral shaft length.

 

Key Highlights:
✓ Multidirectional Proximal Locking:
– Polyaxial screws + helical blade → 40° angular stability for head fragments
– Accommodates varus/valgus forces in osteoporotic bone (T-score <−2.5)
✓ Distal Active Compression:
– Sliding mechanism enables 5mm controlled fracture impaction
– Prevents hardware prominence in slender diaphyses
✓ Anatomic Nail Curvature:
– 4° proximal bend matches humeral geometry → ↓ iatrogenic fracture risk
✓ Fracture-Specific Configurations:
– Nail diameters: 7/8.5/10mm; lengths: 140–260mm
– Option: Proximal-only fixation (neck-stable fractures)
✓ CT/MRI Compatibility:
– Titanium alloy (Ti-6Al-4V ELI) → artifact <25% of stainless steel

 

Target Indications:
  • 3- or 4-part proximal humerus fractures (Neer classification)
  • Pathological fractures (metastatic lesions)
  • Nonunions with metaphyseal bone loss
  • Osteotomy stabilization after malunion correction

 

Dynamically responsive fixation – where fracture complexity meets surgical simplicity.
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