CPC A61F 2/442 (2013.01) | 15 Claims |
1. An implant adapted for implantation into a spine comprising:
a) opposed and converging first and second planar load supporting surfaces; and
b) an undivided continuous central aperture extending through the implant and between the opposed and converging first and second planar load supporting surfaces; the undivided continuous central aperture having an inner contour created by an arrangement of alternating erect curved and erect straight edges facing the undivided continuous central aperture, wherein the inner contour comprises six erect curved edges not in contact with each other.
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