| 摘要 |
<p>PURPOSE: To provide a toothbrush capable of polishing a tooth by jet water flow generated by utilizing the pressure of city water. CONSTITUTION: This toothbrush is constructed that a connecting device 2 detachably connectable to a tap 1 with a stopper 1' is mounted on the end base of a water hose 3, connected to the end base of a jet pipe 5 equipped with a handle 4 at the tip of water hose 3, a small jet pipe 6 is protrudently set on the tip of a water jet pipe 5, a jet nozzle 7 on the tip of the small jet pipe 6, and city water is jetted from the jet nozzle 7 by the pressure.</p> |
