We claim the ornamental design for a tracheal dilator, as shown and described.
FIG. 1 is a front/right/bottom perspective view of the tracheal dilator of the present invention;
FIG. 2 is a front view of the tracheal dilator of FIG. 1;
FIG. 3 is a rear view of the tracheal dilator of FIG. 1;
FIG. 4 is a right side view of the tracheal dilator of FIG. 1, the left side view being a mirror image of the right side view shown;
FIG. 5 is a top view of the tracheal dilator of FIG. 1; and,
FIG. 6 is a bottom view of the tracheal dilator of FIG. 1.
The dot dash broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while the evenly spaced broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.
The subject matter shown in broken lines in the drawings constituting environment only and forming no part of the protection sought.