Study of Bioactive Glass-ceramic Intervertebral Spacer (Bonglass-SS) in Posterior Lumbar Interbody Fusion

Clinical Efficacy and Safety of Bioactive Glass-ceramic Intervertebral Spacer (Bonglass-SS) in Posterior Lumbar Interbody Fusion and, Titanium Cage Controlled, 1-year, Single-Blind, Non-Inferiority Trial

The goal of this study is to compare Bonglass-SS with titanum cage.

Inclusion Criteria:

• 30~80 aged patients needed single-level posterior Interbody fusion at L1~S1
• A subject who provided written informed consent to participate in this study

Exclusion Criteria:

• Patitents with BMD T-score < -3.0
• Women who are pregnant or plan to be pregnant within 3 years
• Patient with malignant tumor