The ornamental design for a spinalscrew, as shown and described.
FIG. 1 is a first perspective view of a spinal screw showing my new design;
FIG. 2 is a partial enlarged view taken from the broken encircled portion 2 of FIG. 1;
FIG. 3 is a front view thereof;
FIG. 4 is a partial enlarged view taken from the broken encircled portion 4 of FIG.3;
FIG. 5 is a rear view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a right side view thereof;
FIG. 8 is an enlarged top view thereof;
FIG. 9 is a partial enlarged view taken from the broken encircled portion 9 of FIG. 8;
FIG. 10 is a bottom view thereof; and,
FIG. 11 is a second perspective view thereof in an exemplary use.
The dash-dash broken lines show environmental structure that forms no part of the claimed design. The dot-dash broken lines represent the boundaries of the claimed design.