The ornamental design for an osteotomeblade, as shown and described.
FIG. 1 is a top perspective view of an osteotome blade in accordance with the new design;
FIG. 2 is a top plan view of the osteotome blade of FIG. 1;
FIG. 3 is a bottom plan view of the osteotome blade of FIG. 1;
FIG. 4 is a rear elevation view of the osteotome blade of FIG. 1;
FIG. 5 is a front elevation view of the osteotome blade of FIG. 1;
FIG. 6 is a left side elevation view of the osteotome blade of FIG. 1; and,
FIG. 7 is a right side elevation view of the osteotome blade of FIG. 1.
The broken lines directly adjacent to shaded portions illustrate a boundary of the claimed design. All other broken lines shown in FIGS. 1-3 and FIGS. 6-7 illustrate portions of the osteotome blade that form no part of the claimed design.