The ornamental design for a surgicalsaddle, as shown and described.
FIG. 1 is an isometric perspective of a surgical saddle showing my new design
FIG. 2 is a right side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a back view thereof;
FIG. 5 is top view thereof; and,
FIG. 6 is a bottom view thereof.
The dashed lines depict portions of the surgical saddle that form no part of the claimed design. The dot-dash-dot broken lines in the drawings depict boundaries of the claimed design and form no part thereof.