Spinal stenosis is the most common indication for surgery in the lumbar spine . A minimally invasive approach through a tubular retractor provides direct surgical access to decompress the central canal and lateral recess in patients with evidence of central stenosis due to broad based disc bulges, ligamentum flavum hypertrophy, and facet arthropathy. Benefits of a minimally invasive laminectomy include smaller incision, less muscular disruption and pain, reduced blood loss and rate of blood transfusion, reduced rate of blood transfusion, preservation of components of the midline tension band including interspinous ligaments, spinous process, supraspinous ligament.
Right L4-5 laminectomy with bilateral decompression (MP4 81138 kb)
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