The ornamental design for a peritonealdialysismachine, as shown and described.
FIG. 1 is a left perspective view of the peritoneal dialysis machine;
FIG. 2 is a right perspective view thereof;
FIG. 3 is a front side view thereof;
FIG. 4 is a rear side view thereof;
FIG. 5 is a top side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a right side view thereof;
FIG. 8 is a left perspective view of a second embodiment of the peritoneal dialysis machine;
FIG. 9 is a right perspective view thereof;
FIG. 10 is a front side view thereof;
FIG. 11 is a rear side view thereof;
FIG. 12 is a top side view thereof;
FIG. 13 is a left side view thereof; and,
FIG. 14 is a right side view thereof.
The broken lines in the drawing views are included for the purpose of illustrating portions of the dialysis machine that form no part of the claimed design.