The ornamental design for a bayonetsurgicalscissor, as shown and described.
FIG. 1 is a perspective view of a bayonet surgical scissor showing my design;
FIG. 2 is a front side view thereof;
FIG. 3 is a rear side view thereof;
FIG. 4 is an enlarged left side view thereof;
FIG. 5 is an enlarged right side view thereof;
FIG. 6 is a top elevational view thereof; and,
FIG. 7 is a bottom elevational view thereof.
The broken line showing the bayonet surgical scissor in FIGS. 6-7 are included for the purpose of showing environmental structure of a screw and form no part of the claimed design.