The ornamental design for a medicaldeviceconnector, as shown and described.
FIG. 1 is a top perspective view of a medical device connector;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a perspective view thereof;
FIG. 8 is a perspective view thereof;
FIG. 9 a perspective view thereof; and,
FIG. 10 a perspective view thereof.
The dashed-lines represent the remainder of the article and do not form part of the claimed design, are directed to environment, and represent unclaimed subject matter.