The TINA Derotation System is desgned with reduction instrument, derotation quick stick, derotation quick stick frame, derotation alignment fork. The system can satisfy the necessary of various derotation and specific anatomy, implement 3D derotation rapidly for surgeons, provide great operation for the derotation of tip cone and restore the alignment on sagittal view. anatomical structure, large central window, pyramidal teeth, three lordotic angles, and could meet the special requirements of lumbar oblique lateral interbody fusion, focusing on curing degenerative disc diseases and spinal instabilities, revision procedures for post-discectomy syndrome, pseudoarthrosis or failed spondylodesis, degenerative spondylolisthesis, spondylolytic spondylolisthesis and so on.