Modified Mini-Open TLIF vs Traditional Open TLIF

Inclusion Criteria

• •Patients aged between 18 and 80 years.
• •Presence of unilateral neurogenic claudication or radicular pain in the lower limbs, with failure to respond to at least 3 months of conservative treatment.
• •Presence of bilateral neurogenic claudication or radicular pain in the lower limbs, but with complete resolution of neurological symptoms in at least one lower limb during recumbency and an unremarkable physical examination, alongside failure to respond to at least 3 months of conservative treatment.
• •Radiologically confirmed single- or two-level lumbar spinal stenosis on MRI, with evidence of instability specifically at the stenotic level(s) on standing lateral radiographs.
• •The mMO-TLIF or TLIF surgical procedure is performed by the same lead surgeon at each participating investigational site.
• •Subjects voluntarily participate and provide written informed consent.