It seems like the uses of 3D printing within the medical field continue to expand. This week it was revealed that a French doctor has used 3D printing to help him create a spine cage he used in a spinal fusion surgery. 3D printing enables him to create customized spinal cages for each individual patient, making it a perfect, or near perfect fit. More details on how 3D printing was used in this case can be found here: http://3dprint.com/8821/3d-print-spinal-cage/

Below is an image of one of these pieces: