The ornamental design for a controlpanel for a portable ultrasound imaging device, as shown and described.
FIG. 1 is a front perspective of an embodiment of a control panel for a portable ultrasound imaging device showing our new design;
FIG. 2 is another front perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a front elevation view thereof; and,
FIG. 7 is a rear elevation view thereof.
The broken lines immediately adjacent the shaded 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.