FIG. 1 is a top, rear and right side perspective view of a lancing device showing my new design;

FIG. 2 is a top, front and right side perspective view thereof;

FIG. 3 is a bottom, front and right side perspective view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front view thereof; and,

FIG. 9 is a rear view thereof.

The broken lines in FIG. 8 are for illustrating environmental structure and form no part of the claimed design.