The ornamental design for a surgicalinstrument for endarterectomies, as shown and described.
FIG. 1 is a top plan view of a surgical instrument for endarterectomies
showing my new design;
FIG. 2 is a side elevational view thereof;
FIG. 3 is an enlarged cross-sectional view taken along line 3--3 of FIG. 2;
and
FIG. 4 is an enlarged end elevational view thereof.
The ornamental design for a surgical instrument for endarterectomies is
characterized by a loop having two substantially parallel juxtaposed
elongate limbs.