Aaron Filler, MD, PhD

Trulli Trulli

Oxford University
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Anterior Lumbar Interbody Fusion

Lumbar Implants & Fusion:
Major Surgeries for the Low Back

Chapter 18

Anterior Lumbar Interbody Fusion - ALIF -
with Femoral Ring Allograft


After removing most  of the disk, the surgeon can spread open the collapsed disk space and then place a graft. These grafts sliced from a femur leg bone of a cadaver donor  and are machined to an optimum wedge shape.  A femoral ring allograft also allows for the placement of bone fusion promoting proteins in the central space of the ring graft. FRA System – illustration with permission of AO Synthes.

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