The ornamental design for a medicaldevice, as shown and described.
FIG. 1 is a perspective view of a medical device, showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is another perspective view thereof; and,
FIG. 9 is another perspective view thereof in which a test slip in dot-dot-dash broken lines is provided to illustrate an example environment.
The short dash-dash broken lines in the figures show portions of the medical device and the dot-dot-dash broken lines showing the test slip in FIG. 9 are for illustrating environmental structure; the broken lines form no part of the claimed design.