Figure 5From: Biomechanical testing of a polymer-based biomaterial for the restoration of spinal stability after nucleotomyMacroscopic evaluation. Herniated biomaterial impressing the dural sack from a lateral view after removing the facet joints (A). Dorsal view after removing posterior vertebral structures, showing herniated biomaterial into the spinal canal (B) und successful sealing of the annulus defect with a PGA-HA annulus implant (C).Back to article page