From Progenerative Plans Bone, Business Growth From Revived Acelity Tech:

Spinal Fusion
Spinal Fusion

An example of a spinal fusion. Cropped image from Flickr user Joseph Krawiec and used in accordance with Creative Commons 2.0 and 4.0 licenses.
https://creativecommons.org/licenses/by/2.0/
https://creativecommons.org/licenses/by/4.0/
Yeah, you have no idea..