Patent ID: 8470004
Filing Date: 2013-06-25
Classification: A61B,A61F

Abstract:
1. A method for stabilizing a spondylolisthesis at an articulation of a lumbar vertebra L5 and a sacral vertebra S1 comprising creating an insertion path that extends in a cranial direction from a posterolateral region of a sacral vertebra S1, through the adjoining intervertebral disc, and terminates in an opposite anterolateral region of the lumbar vertebra L5, providing a bone fixation implant comprises an elongated implant structure having a rectilinear cross section along at least a proximal portion of the implant structure and including an exterior surface region treated to provide bony in-growth or through-growth along the implant structure, and inserting the bone fixation implant through the insertion path from the posterolateral region of the sacral vertebra S1, through the adjoining intervertebral disc, and terminating in an opposite anterolateral region of the lumbar vertebra L5.