Patent ID: 9427329
Filing Date: 2016-08-30
CPC Classification: A61F

Claim Text:
1. A spinal implant device comprising: a body for holding graft material therein, the body comprising: a sagittal midline; a posterior edge and an anterior edge opposite the posterior edge; a superior surface and an inferior surface opposite the superior surface, at least one of the superior surface and the inferior surface comprising a plurality of teeth; wherein the plurality of teeth comprises a first row of outer teeth positioned circumferentially along a peripheral edge of the body and a second row of inner teeth positioned inwardly from the first row of outer teeth; wherein the first row of outer teeth each comprise an outer side and an inner side that meets with the outer side to form an outer tooth edge at a peak of each respective outer tooth, the outer tooth edge of each respective outer tooth configured to contact a vertebral endplate; wherein the first row of outer teeth is positioned circumferentially along the peripheral edge of the body such that the vertebral endplate contacting outer tooth edge of each outer tooth of the first row of outer teeth is not parallel to vertebral endplate contacting outer tooth edges of adjacent teeth of the first row of outer teeth; and wherein the vertebral endplate contacting outer tooth edges of the first row of outer teeth are configured to contact the vertebral endplate to resist migration of the implant in two directions; and wherein the inner teeth of the second row project further from the sagittal midline than an outwardly adjacent outer tooth of the first row of outer teeth.