The ornamental design for an ostomywafershell, as shown and described.
FIG. 1 is an isometric view of one embodiment of an ostomy wafer shell in its environment;
FIG. 2 is a top side view thereof;
FIG. 3 is a bottom side view thereof;
FIG. 4 is a front side view thereof, where a back side view is not illustrated as it is a mirror image of the front side view; and,
FIG. 5 is a left side view thereof, where a right side view is not illustrated as it is a mirror image of the left side view.
The ostomy wafer shell is fabricated from transparent material.
In FIGS. 1-2 the dotted lines of a cross-hatch pattern formed in the bottom side of the ostomy wafer shell are visible and illustrated since the ostomy wafer shell is transparent.
The broken line disclosure of the ostomy wafer and the support structure within the shell in FIGS. 1-5 is for the purposes of illustrating environment and forms no part of the claimed design.