Drug delivery system

FIG. 1 is a perspective view of a control unit in a drug delivery system;

FIG. 2 is a side view of the control unit in the drug delivery system;

FIG. 3 is another side view of the control unit in the drug delivery system;

FIG. 4 is a back side view of the control unit in the drug delivery system;

FIG. 5 is a front side view of the control unit in the drug delivery system;

FIG. 6 is a top view of the control unit in the drug delivery system;

FIG. 7 is a bottom view of the control unit in the drug delivery system;

FIG. 8 is a perspective view of the control unit being coupled to an injection window in the drug delivery system;

FIG. 9 is a side view of the control unit being coupled to the injection window in the drug delivery system;

FIG. 10 is another side view of the control unit being coupled to the injection window in the drug delivery system;

FIG. 11 is a front view of the control unit being coupled to the injection window in the drug delivery system;

FIG. 12 is a back view of the control unit being coupled to the injection window in the drug delivery system;

FIG. 13 is a top view of the control unit being coupled to the injection window in the drug delivery system;

FIG. 14 is a bottom view of the control unit being coupled to the injection window in the drug delivery system;

FIG. 15 is an exploded perspective view of the control unit and the injection window in the drug delivery system;

FIG. 16 is a perspective view of the control unit being coupled to an injection window and an adhesive element in the drug delivery system;

FIG. 17 is a side view of the control unit being coupled to the injection window and the adhesive element in the drug delivery system;

FIG. 18 is another side view of the control unit being coupled to the injection window and the adhesive element in the drug delivery system;

FIG. 19 is a front view of the control unit being coupled to the injection window and the adhesive element in the drug delivery system;

FIG. 20 is a back view of the control unit being coupled to the injection window and the adhesive element in the drug delivery system;

FIG. 21 is a top view of the control unit being coupled to the injection window and the adhesive element in the drug delivery system;

FIG. 22 is a bottom view of the control unit being coupled to the injection window and the adhesive element in the drug delivery system;

FIG. 23 is an exploded perspective view of the control unit and the injection window and the adhesive element in the drug delivery system;

FIG. 24 is a perspective view of the injection window in a folded state in the drug delivery system;

FIG. 25 is a side view of the injection window in the folded state in the drug delivery system;

FIG. 26 is another side view of the injection window in the folded state in the drug delivery system;

FIG. 27 is a front view of the injection window in the folded state in the drug delivery system;

FIG. 28 is a back view of the injection window in the folded state in the drug delivery system;

FIG. 29 is a top view of the injection window in the folded state in the drug delivery system;

FIG. 30 is a bottom view of the injection window in the folded state in the drug delivery system;

FIG. 31 is a perspective view of the injection window in an unfolded state in the drug delivery system;

FIG. 32 is a side view of the injection window in the unfolded state in the drug delivery system;

FIG. 33 is another side view of the injection window in the unfolded state in the drug delivery system;

FIG. 34 is a front view of the injection window in the unfolded state in the drug delivery system;

FIG. 35 is a back view of the injection window in the unfolded state in the drug delivery system;

FIG. 36 is a top view of the injection window in the unfolded state in the drug delivery system;

FIG. 37 is a bottom view of the injection window in the unfolded state in the drug delivery system;

FIG. 38 is a top and back perspective view of a charging element in the drug delivery system;

FIG. 39 is a front view of the charging element in the drug delivery system;

FIG. 40 is a back view of the charging element in the drug delivery system;

FIG. 41 is a side view of the charging element in the drug delivery system;

FIG. 42 is another side view of the charging element in the drug delivery system;

FIG. 43 is a top view of the charging element in the drug delivery system;

FIG. 44 is a bottom view of the charging element in the drug delivery system; and,

FIG. 45 is a front perspective view of a charging element in the drug delivery system.

The claimed design is directed to the collective appearance of the control unit, injection window, adhesive element, and charging element of the drug delivery system.