The ornamental design for a canineknee brace, as shown and described.
FIG. 1 is a perspective view of a canine knee brace;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view of the canine knee brace shown in use.
The evenly-spaced broken lines showing a leashed, harnessed canine in FIG. 8 depict environmental subject matter that forms no part of the claimed design. The evenly-spaced broken lines shown within the knee brace in FIG. 6 depict portions of the canine knee brace that form no part of the claimed design. The dash-dot-dash broken lines at the upper and lower openings of the knee brace represent the boundaries of the claimed design.