Patent ID: 9655746
Date: 2017-05-23
CPC Classifications: A61F

Claim:
1. An intervertebral implant for implantation in an intervertebral space between vertebrae, wherein said implant comprises: an upper surface and a lower surface wherein the upper and lower surfaces each have a contact area capable of engaging with adjacent vertebrae, and the upper and lower surfaces define a through-hole extending through the spacer body; first and second sidewalls extending from a front portion to a back portion and disposed in between the upper surface and the lower surface, wherein the first sidewall comprises a straight wall and the second sidewall comprises a convexly curved wall; the front portion being different from the back portion such that a profile of the front portion is tapered relative to a profile of the back portion, wherein the front portion and the back portion are each configured to be inserted into the intervertebral space between vertebrae such that the implant is insertable into the intervertebral space with the front portion or the back portion as a leading portion of insertion; and wherein the front portion is configured with a first threaded hole and the back portion is configured with a second threaded hole, each configured for receiving an instrument for inserting the intervertebral implant into the intervertebral disc space, wherein the implant is coronally angled, wherein the first sidewall includes a first engagement portion and a second engagement portion, wherein the first engagement portion is closer to the front portion than the back portion and the second engagement portion is closer to the back portion than the front portion, and wherein the first engagement portion does not extend into the front portion configured with the first threaded hole, and wherein, the first engagement portion is a first indentation into the first sidewall near the front portion and the second engagement portion is a second indentation into the first sidewall near the back portion, wherein the first and second indentations are substantially rectangular in shape and have a length greater than a height.