The ornamental design for a pistonhead for a peritoneal dialysis cycler, as shown and described.
FIG. 1 is a perspective view of an ornamental design for a piston head for a peritoneal dialysis cycler;
FIG. 2 is a front view of the ornamental design for a piston head of FIG. 1;
FIG. 3 is a rear view of the ornamental design for a piston head of FIG. 1;
FIG. 4 is a right side view of the ornamental design for a piston head of FIG. 1;
FIG. 5 is a left side view of the ornamental design for a piston head of FIG. 1;
FIG. 6 is a top plan view of the ornamental design for a piston head of FIG. 1; and,
FIG. 7 is a bottom plan view of the ornamental design for a piston head of FIG. 1.
The broken lines in the drawing views are included for the purpose of illustrating portions of the piston head for a peritoneal dialysis cycler that form no part of the claimed design.