A Randomized, Subject-Assessor Blind, Multi-center, Comparative Clinical Trial to evaluate the efficacy and safety of Inject BMP in Patients Undergoing Transforaminal Lumbar Interbody Fusion.

Inclusion Criteria:

The subject needs the infusion between the first lumbar vertebrato and the first ilium from those who require posterior spinal instrumentation and interbody fusion for the following reasons,

• Spinal stenosis
• Spinal disc herniation requiring broad laminectomy
• Spondylolisthesis or spondylolysis
• Recurrent herniated disc

Exclusion Criteria:

• Patients with BMD T-score < -3.0
• Women who are pregnant or plan to be pregnant within study period