The ornamental design for a portablevasculartestingdevice, as shown and described.
FIG. 1 is a perspective view of a portable vascular testing device, showing our new design with the cover open;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a right side view thereof; and,
FIG. 8 is an alternate perspective view of the portable vascular testing device, with the cover closed.
The broken lines in the figure views are included for the purpose of illustrating portions of the portable vascular testing device that form no part of the claimed design.