Posterior lumbar interbody fusion is a technique to fuse bones in your spine together. The bones won't be able to move, and your pain from some back problems can stop. Posterior means the surgeon works on your spine from your back. Lumbar means it is the lower part of your spine. Interbody means that an implant is use.
Your surgeon will remove a damaged disk between your vertebrae in your spine. They will replace the disk with a spacer and bone graft material. The spacer holds your vertebrae in position and the bone material helps encourage healing. Sometimes the spacer is held into place with metal screws.
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