Post Marketing Study of MagnetOs Easypack Putty Standalone Compared to Demineralized Bone Matrix or Fibers Mixed With Autograft in Patients Undergoing Posterolateral Lumbar Fusion

MagnetOs Easypack Putty used standalone in instrumented posterolateral fusion, 5cc-15c per spine level at the randomized assigned side.

Demineralized Bone Matrix or Fibers (DBX or Grafton) mixed in a 1:1 vol% with local autologous bone graft used in instrumented posterolateral fusion, 5cc-15cc per level mixed with bone marrow aspirate/blood per spine level at the contralateral side.