The ornamental design for an accessory for radiotherapyequipment, as shown and described.
FIG. 1 is a front elevational view of an accessory for radiotherapy equipment showing an embodiment of the new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a front perspective view thereof.
The portions of the accessory for radiotherapy equipment shown in broken lines form no part of the claimed design. The shading lines shown in the drawings represent the approximate three-dimensional contour of the design and are not intended to indicate surface decoration.