The present invention is directed to a device that can be placed between two adjacent vertebrae, and that is used to repair an injury or defect in the anulus of the intervertebral disk. The implant is characterized by having a flexible structure anchored to the vertebral bone, the flexible structure connected with a patch held in place over the injury or defect. The flexible structure has a hollow interior space which can sustain inside it a hydrogel cushion. The hydrogel cushion acts as a shock absorber for the spine, maintains height of the intervertebral disk space, and prevents further disk herniation due to the narrowing of the intervertebral disk space.

 
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> Arcuate interbody spinal fusion implant having a reduced width and an anatomically conformed trailing end
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