The ornamental design for a medicaldevice, as shown and described.
FIG. 1 is a left side perspective view of a medical device of the present invention.
FIG. 2 is a right side perspective view of the medical device of FIG. 1.
FIG. 3 is a top perspective view of the medical device of FIG. 1.
FIG. 4 is a bottom perspective view of the medical device of FIG. 1.
FIG. 5 is a front perspective view of the medical device of FIG. 1.
FIG. 6 is a bottom perspective view of the medical device of FIG. 1; and,
FIG. 7 is a three-quarter perspective view of the medical device of FIG. 1.
The broken lines immediately adjacent the claimed areas represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.