The ornamental design for an emesisbasin, as shown and described.
FIG. 1 is a front top perspective view showing an emesis basin with a funnel top in an open position according to another embodiment of the invention;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a right-left perspective view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a front top perspective view showing the emesis basin of FIG. 1 with the funnel top in a closed position;
FIG. 7 is a front perspective view thereof;
FIG. 8 is right-left perspective view thereof;
FIG. 9 is a top plan view thereof; and,
FIG. 10 is a bottom plan view thereof.
The dashed lines on the inside surfaces of the folding top of the basin are fold lines and form part of the claimed design. The remaining dashed lines in the figures illustrate the portions of the design that form no part of the claimed design.