FIG. 1 is a front perspective view of a pump assembly according to the present design;
FIG. 2 is a rear perspective view of the pump assembly of FIG. 1;
FIG. 3 is a front view of the pump assembly of FIG. 1;
FIG. 4 is a right side view of the pump assembly of FIG. 1;
FIG. 5 is a rear view of the pump assembly of FIG. 1;
FIG. 6 is a left side view of the pump assembly of FIG. 1;
FIG. 7 is a top view of the pump assembly of FIG. 1; and,
FIG. 8 is a bottom view of the pump assembly of FIG. 1.
The broken lines depicting the IV pole, the IV pole base, the screws, the feet, and portions of the radiofrequency ablation pump assembly are included for the purpose of illustrating environmental subject matter and form no part of the claimed design.