The ornamental design for the ultrasound probe, as shown and described.
FIG. 1 is a right, rear isometric view of an ultrasound probe showing our new design;
FIG. 2 is a left, rear isometric view of an ultrasound probe showing our new design;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a left-side elevation view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a rear elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The dash lines in the drawings depict portions of the ultrasound probe that form no part of the claimed design. The dash-dot-dash broken line depict the boundary of the claim and form no part thereof.