tes a tendon-bone composite according to the invention; [0029]FIG. 9B illustrates an annulus-vertebrae composite; [0030]FIG. 10 illustrates an alternative embodiment wherein a synthetic material such as Gortex is used as opposed to tendon; [0031]FIG. 11A illustrates the way in which a hoop can be placed into a disc for repair purposes; [0032]FIG. 11B shows the hoop being inserted through the hole