FIG. 1 is a side perspective view of a circular anastomosis surgical stapler showing our new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is an end elevation as seen from the left of FIG. 1;

FIG. 4 is an end elevation as seen from the right of FIG. 1; and

FIG. 5 is a top plan view thereof.