The A-L-I-F is defined as Anterior Lumbar Interbody Fusion.
This approach requires a 4-6” incision in the abdomen to access one or two levels.
The surgeon works around the great vessels to access the anterior longitudinal ligament.
The ligament must be removed to access the disc.
The surgeon can then remove the diseased disc nucleus to prepare the vertebral bodies for fusion.
After the disc is prepared, a biocompatible polymer implant is filled with bone graft material and placed in the disc
space.
With an A-L-I-F implant, the surgeon may choose to add an anterior plate to replace the anterior ligament and
prevent movement of the implant.
This procedure is normally accompanied by a posterior fixation with pedicle screws or facet screws
The implant maintains the spacing of the vertebrae while the fusion takes place.
After the fusion is completed and a solid bone mass forms; the two vertebrae are joined together.
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