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

FIG. 2 is as upper, side and front perspective view thereof;

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

FIG. 4 is a top view thereof;

FIG. 5 is a left side view, the right opposite side being a mirror image thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front view thereof; and,

FIG. 8 is a rear view thereof.

Portions shown in broken lines are for illustrative purposes only and form no part of the claimed design.