Oral irrigator

1. Oral irrigator

1 . 1 is a front view of an oral irrigator showing the new design;

1 . 2 is a back view thereof;

1 . 3 is a left view thereof;

1 . 4 is a right view thereof;

1 . 5 is a top view thereof;

1 . 6 is a bottom view thereof;

1 . 7 is a right side, top perspective view thereof;

1 . 8 is a right side, bottom perspective view thereof;

1 . 9 is a front view of the oral irrigator showing an alternative state of use;

1 . 10 is a back view thereof;

1 . 11 is a left view thereof;

1 . 12 is a right view thereof;

1 . 13 is a top view thereof;

1 . 14 is a bottom view thereof;

1 . 15 is a right side, top perspective view thereof; and

1 . 16 is a right side, bottom perspective view thereof.

The broken lines shown in the drawing illustrate portions of the article and form no part of the claimed design.