The ornamental design for a suctiondevice, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
1. Suction device
1.0 is a perspective view of a suction device embodying our new design.
Any coloring and any contrast in coloring or materials illustrate portions of the suction device that form no part of the claimed design.