Performance Measurement and Safety Evaluation of the PYTHEAS® ODYSSEE Angular Assistance System for Intra-pedicular Screw Placement in Adult Spine Surgery

Inclusion Criteria

• •Patient with indication for posterior arthrodesis of at least 2 lumbar or thoracic vertebrae with placement of pedicle screws at vertebral level for :
• •* Traumatology: fracture with significant vertebral compression or major kyphosis deformity, ligament and/or disc injury resulting in instability, with the need to free the marrow or nerve roots, OR
• •* Deformity: idiopathic scoliosis with surgical indication for increased curvature, thoracic curvature greater than 45° or lumbar curvature greater than 35°, OR
• •* Revision surgery for extension of the assembly in the presence of a possible adjacent syndrome responsible for instability and/or central or foraminal stenosis, OR
• •* Degenerative: symptomatic spondylolisthesis, degenerative scoliotic deformity, narrow lumbar canal with canal release leading to instability, syndrome adjacent to a previously performed montage.
• •The patient must have given their free and informed consent and signed the consent form
• •The patient must be a member or beneficiary of a health insurance plan