Thoracic-Lumbar Expansible Cage: - Thoracic - Lumbar Expansible Cage. - Intersomatic Fusion Device. - Anatomic profile. - Expansive system. - Lefth and right spacing ring for adequate expansion. - Orificies allowing an appropriate positioning of bone graft and toi observe the growth and bone fusion. - Sharp tips for implant stability. - Several dimensions. Raw Material: 6AL 4V ELI (ASTM F-136 or ISO 5832-3) Titanium Alloy.