The ornamental design for an ostomybag, as shown and described.
FIG. 1 is a rear elevation view of an ostomy bag incorporating our new design, wherein the claimed design is shown using solid lines and parts shown in dashed lines do not form no part of the claimed design; and,
FIG. 2 is a front elevation view of the ostomy bag of FIG. 1, wherein the claimed design is shown using solid lines and parts shown in dashed lines do not form part of the claimed design.
The claimed design includes the unshaded surfaces between the solid lines and within the inner perimeter of the solid lines to the innermost perimeter of the dashed lines in the upper and lower portions of FIG. 1. The lower portion of FIG. 1 also shows three lines, not enclosing surfaces, that show portions of the ostomy bag that form no part of the claimed design. The dashed lines and surfaces within them in FIG. 1 show portions of the ostomy bag that form no part of the claimed design. In FIG. 2, the solid lines and unshaded surfaces within them form a part of the claimed design. The broken lines and surface area enclosed by these broken lines in the lower portion of FIG. 2 show portions forming no part of the claimed design. All surfaces not shown also form no part of the claimed design.