| 摘要 |
<p>The mouthpiece has a connector connected with an interior of the mouthpiece for supply and suction of gas. The mouthpiece simultaneously encloses upper jaw and lower jaw, and is closed tightly. Concentration of ozone in the mouthpiece is 1 to 70000 parts per million, where the mouthpiece is attached to an ozone producing tube (1) that has a closed inner glass tube. The tube has a wire (2) in its interior, where the wire emerges outward from a side of the glass tube. The glass tube has two spaced apart openings, and a hollow cavity has a metal grid between the inner and outer glass tubes. An independent claim is also included for a mouth germ preventing device comprising a mouthpiece.</p> |
