intervertebral disc removal device or simultaneously therewith the mis process technique and procedure preferably include shaving and substantially removing the patient 39 s disc with the intervertebral disc removal device and extracting and discharging the removed patient 39 s disc with the dual action cannula in the illustrated embodiment the patient 39 s disc is shaved with at least one rotatable cutting blade of the navigable intervertebral disc removal device and the cutting blade is pneumatically or electronically driven and rotated preferably sterile water is injected through the water inlet tube into the shaving cannula about the blade during shaving and cutting to cool the blade and assist in extracting and discharging the disc shavings cuttings advantageously the cutting blade can be moved longitudinally and laterally with stackable shaver discs the osteoconductive osteoinductive or osteogenic collapsible intervertebral balloon can be inserted with the dual action cannula into a disc space previously occupied by the patient 39 s disc a grafting substance can then be dispensed into the balloon in the disc space advantageously the grafting substance and balloon are fused in the disc space adjacent vertebrae bodies of the patient to form a fusion support fusion implant there between preferably the balloon comprises a biodegradable material and is absorbed in the fusion support in the preferred process and system the balloon comprises an intervertebral bag which is expanded in a cranial and caudal direction to fill the disc space and provide a contour that replicates the shape of the patient 39 s disc after the grafting substance is dispensed and inserted into the.