Autoinjector

FIG. 1 is a side perspective view of an autoinjector showing our design; FIG. 2 is a top view thereof; FIG. 3 is a bottom view thereof; FIG. 4 is a left side view thereof; FIG. 5 is a front view thereof; FIG. 6 is right side view thereof; FIG. 7 is a side perspective view of our design in an open position; and, FIG. 8 is a side perspective view of our design with a cap portion in an open position. The broken lines in the drawings depict portions of the autoinjector that form no part of the claimed design.