Traditional laminectomy completely exposes the lumbar spinal canal with spinous process and lamina osteotomy , which usually causes postoperative lumbar spinal instability and scar tissue adherent.

Objective To study the clinical outcomes of inferior half lamina uncover-recovered technique in posterior surgery of lumbar degenerative diseases.

Objective: To discuss the clinical effect of reconstruction of posterior structure of the thoracic and lumbar vertebra by means of vertebral canal plasty with pedicelar vertebral lamina: Methods: 56 patients with thoracic and lumbar vertebral canal stricture were subjected to vertebral canal plasty with pedicelar vertebral lamina after posterior vertebral lamina ablate.

Methods Harrington rods with wire under polysegmental vertebral lamina were used on the concave side of vertebral column of 32 cases.

Treatmeat of tethered cord syndrome in children by opening double doors in laminae;

A total of 143 cases were treated by opening double doors or planting bone in laminae, and 54 were treated by traditional method.

Individualized localization of the lumbar pedicle screw entrance points by vertebral plate borderline;

Radiographic anatomy study and clinical significance of relationship between superior level and lateral border of vertebral plate to pedicle of vertebral arch in thoracic and lumbar spine;

Objective:To evaluate the advantages and disadvantages of hemilaminectomy for the removal of intraspinal tumors.