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Figure 2 | BMC Musculoskeletal Disorders

Figure 2

From: Biomechanical testing of a unique built-in expandable anterior spinal internal fixation system

Figure 2

Actual picture and diagrammatic illustrations of the fixation system. A) The built-in expandable anterior spinal fixation system. B) Diagrammatic illustrations of the fixation system. 1) Exterior view 2) lateral interior view (without insert); 3) insert; 4) with insert placed to expand the screw. After the insert is placed to expand the screw, the diameter of the expanded tip is 9.0 mm inside the vertebral body.

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