An artificial intervertebral disc and method of attaching the disc to
vertebral bodies includes a plurality of separate structural members
arranged in a stacked configuration, wherein each structural member
comprises a female cavity having a unique size compared with the female
cavities of the other structural members, wherein a top and middle
structural member comprise male bodies defined by outer edges of the
respective female cavities of the top and middle structural members,
wherein the male body of the top structural member is dimensioned and
configured to sit in the female body of the middle structural member,
wherein the male body of the middle structural member is dimensioned and
configured to sit in the female body of a bottom structural member, and
wherein each of the top and bottom structural member comprise at least
one projecting member outwardly extending therefrom.