The ornamental design for a medicaldevice, as shown and described.
FIG. 1 is a top 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;
FIG. 9 is a bottom perspective view of a medical device with an additional environmental structure in dot-dot-dash broken lines provided to illustrate an example environment; and,
FIG. 10 is a top perspective view of a medical device with the additional environmental structure in dot-dot-dash broken lines as shown in a state of use.
The short dash-dash broken lines in the figures show portions of the medical device that form no part of the claimed design. The dot-dot-dash broken lines in FIGS. 9 and 10 show environmental structure and form no part of the claimed design.