The ornamental design for a surgicalblade, as shown and described.
FIG. 1 is a perspective view of a surgical blade in accordance with a first embodiment of the new design;
FIG. 2 is a front view of the surgical blade of FIG. 1;
FIG. 3 is a left side view of the surgical blade of FIG. 1, the right side being a mirror image;
FIG. 4 is a rear view of the surgical blade of FIG. 1;
FIG. 5 is a top plan view of the surgical blade of FIG. 1;
FIG. 6 is a bottom plan view of the surgical blade of FIG. 1;
FIG. 7 is perspective view of a surgical blade in accordance with a second embodiment of the new design;
FIG. 8 is a front view of the surgical blade of FIG. 7;
FIG. 9 is a left side view of the surgical blade of FIG. 7, the right side being a mirror image;
FIG. 10 is a rear view of the surgical blade of FIG. 7;
FIG. 11 is a top plan view of the surgical blade of FIG. 7; and,
FIG. 12 is a bottom plan view of the surgical blade of FIG. 7.
The evenly spaced dashed broken lines in the figures illustrate portions of the surgical blade that form no part of the claimed design. The long dash-short dash broken lines define the bounds of the claimed design and form no part thereof.