US D595853 S1
The ornamental design for a spinal implant, as shown and described.
FIG. 1 is a front perspective view of a spinal implant showing our new design;
FIG. 2 is a left side elevation thereof, the side opposite being a mirror image;
FIG. 3 is a top plan thereof, the bottom plan view being a mirror image;
FIG. 4 is a front elevation thereof; and,
FIG. 5 is a rear elevation thereof.
The broken lines shown in the drawings represent environmental structure and form no part of the claimed design.