US D321250 S
FIG. 1 is a perspective view of a cannula, showing our new design;
FIG. 2 is a top plan view thereof, the bottom plan view being identical;
FIG. 3 is an end elevational view thereof;
FIG. 4 is a side elevational view thereof, the opposite side being identical; and
FIG. 5 is an end elevational view thereof, opposite that shown in FIG. 3.