We claim the ornamental design for a surgical saw blade, as shown and described.
FIG. 1 is a top perspective view of a surgical saw blade showing our new design;
FIG. 2 is a top view of the claimed design of FIG. 1;
FIG. 3 is a front side view of the claimed design of FIG. 1;
FIG. 4 is a left side view of the claimed design of FIG. 1;
FIG. 5 is a bottom view of the claimed design of FIG. 1;
FIG. 6 is a rear side view of the claimed design of FIG. 1; and,
FIG. 7 is a right side view of the claimed design of FIG. 1.
The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. Broken lines formed of unequal length dashes (i.e., dash-dot) show boundaries between claimed and unclaimed portions of the design.