The ornamental design for a laserdeliverydevice, as shown and described.
FIG. 1 is a perspective view of a laser delivery device showing our new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevation view thereof; and,
FIG. 4 is a left elevation view thereof; due to symmetry about a longitudinal axis, each of the right elevation and bottom plan views is a mirror image of the present view, as flipped across the vertical axis, and the top plan view is identical to the present view.