The ornamental design for a radiofrequencytreatment apparatus, substantially as shown and described.
FIG. 1 is a front view of a radiofrequency treatment apparatus;
FIG. 2 is a rear view of the radiofrequency treatment apparatus;
FIG. 3 is a left side view of the radiofrequency treatment apparatus;
FIG. 4 is a right side view of the radiofrequency treatment apparatus;
FIG. 5 is a top view of the radiofrequency treatment apparatus; and,
FIG. 6 is a bottom view of the radiofrequency treatment apparatus.
The broken lines immediately adjacent the shaded areas represent the bounds of the claim, while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.