Wearable drug delivery device

FIG. 1 is a top perspective view of a wearable drug delivery device showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a back elevation view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines show portions of the design that form no part of the claimed design.