The Applied Anatomical, Biomechanical And Clinical Study Of Anterior Lumbar Minimally Invasive Surgery And Vertebroplasty

Objective1 To determine anatomic variability of the anterior vascular by gross and sectional anatomy and the possibility injury position of vascular and ureter; to provide the anatomical data of vascular and ureter for transperitoneal approach lumbar anterior minimally invasive surgery; The anatomy and microscopic investigation of the autonomic nerve anterior the lumbar has been detailed study, combined the requirement of expose in the operation, the aim was to give an anatomic basis for an ejaculation preserving approach in the minimally invasive lumbar surgery.2 To enhance anatomic knowledge on associated lumbar segmental vessels, ascending vein and iliolumbar vein surrounding the anterior lumbar spine, provide the anatomic data for minimally invasive lumbar anterior surgery; To observe the normal structure of lumbar plexus by gross and cross section anatomy, provide anatomic data for reducing lumbar plexus nerve injury, describe surgical landmarks in operation, and establish lumbar plexus digitized visible models for providing more precise anatomic data.3 To successfully establish a finite-element model of anterior lumbar interbody fusion, and compare differences in the biomechanical behavior between anteriorly fixed plate and posteriorly fixed transpedicle instrumentation. To establish an accurate finite-element model of an elderly L4-15 vertebral body, to investigate the effects of volume and distribution of bone cement on the adjacent vertebral body.4 To develop a minimally invasive approach to the lumbar spine for anterior fusion by animal experiment, and test the validity, safety and study curve of the laparoscopic approach in the porcine model. To Primarily study effective retroperitoneal approach laparoscopic value on the treatment of the lumbar vertebral tuberculosis and the abscess of psoas muscle.