Summary of medical Ph.D thesis: Applied research of minimally invasive surgery for treatment of single level lumbar spondylolisthesis

With two purposes: Exploring the clinical characteristics and imaging of conventional X-ray, MRI of single-level lumbar spondylolisthesis in the indication for minimally invasive surgery using Caspar retractor system. Evaluating the results of treatment for single level lumbar spondylolisthesis by minimally invasive surgery with using Caspar retractor system.