Photodynamic therapy device

FIG. 1 is a top, front, right perspective view of a photodynamic therapy device showing my new design;

FIG. 2 is a bottom, rear, left perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of detail “ 9 ” of FIG. 1 , for clarity of disclosure.

The equal-length broken lines in the drawings depict portions of the photodynamic therapy device that form no part of the claimed design.