What is Spinal Fusion? Spinal Fusion is a surgical procedure to fix two vertebrae together. This permanently fuses two bones together and as a result there is no movement between these bones. Other surgical procedures such as laminectomy are usually done prior to a spinal fusion. A graft is used to join the bones permanently together. If the graft is taken from another body part, commonly from the pelvic bone, it is called an autograft. The graft may also be taken from a bone bank known as......