FIG. 1 is a left side perspective view of a dilatator in accordance with the new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is front elevation view thereof; and,
FIG. 7 is a rear elevation view thereof.
The broken lines immediately adjacent the shaded area, in FIG. 7, represent the bounds of the claimed design; the broken lines form no part of the claimed design.