The ornamental design for a hearingprosthesissleeve, as shown and described.
FIG. 1 is a perspective view of a hearing prosthesis sleeve;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof, the left side view being a mirror image;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a right side view thereof with a bottom plug in an open position.
The broken lines shown in the drawing views are for the purpose of illustrating portions of the hearing prosthesis sleeve that form no part of the claimed design.