The ornamental design for a X-ray controller for medical treatment, as shown and described.
FIG. 1 is a front, top and left side perspective view of a X-ray controller for medical treatment, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side elevational view thereof; the opposite side being a mirror image thereof; and,
FIG. 7 is an enlarged fragmented perspective view thereof; taken along the line 7 in FIG. 1.
The broken lines in FIGS. 1 and 7 are included to indicate the point at which the magnified view is cut off. The broken lines in FIG. 5 are included for the purpose of illustrating a portion of the X-ray controller that forms no part of the claimed design. None of the broken lines form a part of the claimed design.