The ornamental design for a dilatorhub, as shown and described.
FIG. 1 is a perspective view of the present invention dilator hub, showing the present invention in a dilator embodiment together with a vascular introducer sheath;
FIG. 2 is another perspective view of the dilator hub, showing the present invention in a needle embodiment;
FIG. 3 is a bottom view of the dilator hub;
FIG. 4 is a top view of the dilator hub;
FIG. 5 is a front view of the dilator hub;
FIG. 6 is a back view of the dilator hub;
FIG. 7 is a side view of the dilator hub; and,
FIG. 8 is a cross-sectional view taken along line 8—8 of FIG. 7.
The broken lines shown in the drawings are for the purposes of illustrating portions of the dilator hub, and form no part of the claim.