The Study of INTRA Spine Non Fusion Technique in the Treatment of Lumbar Degenerative Disease

Patients who have undergone the INTRA-Spine dynamic stabilization system insertion surgery for lumbar spondylosis and have complete follow-up data and meet the standards completed at the First Affiliated Hospital of Shandong First Medical University.

Patients who have undergone lumbar spine fusion surgery due to lumbar spondylosis and meet the standards and have complete follow-up data completed at the First Affiliated Hospital of Shandong First Medical University