FIG. 1 is a front upper perspective view of the sheath and dilator retaining clip showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a rear view thereof; and,

FIG. 8 is a front lower perspective view thereof.

The broken line showing of the sheath and the dilator in FIG. 8 is for illustrational purposes only and forms no part of the claimed design.