| 摘要 |
PURPOSE:To prevent clogging of a nozzle of an insertion-type irrigation apparatus and enable stable irrigation for a long period. CONSTITUTION:A nozzle board 4 having liquid discharging pipe 11 is attached on a mouth 2 of a bottle 1. A sponge 13 is filled in the frontal end of a nozzle into which the liquid discharging pipe 11 is inserted. |
