PROBLEM TO BE SOLVED: To stably and surely prevent inflow of air to a downstream side of a drip tube.SOLUTION: This drip tube 100 includes a main storage section 102 for storing drip liquid, a drip liquid pathway 125 for passing the drip liquid to the interior of the main storage section, and a hydrophilic filter 140 provided to pass the drip liquid that passes through the drip liquid pathway and flowing into the main storage section.COPYRIGHT: (C)2010,JPO&INPIT【課題】点滴筒よりも下流側へ空気が流入するを安定的に且つ確実に防止する。【解決手段】点滴筒100は、点滴液が貯留される主貯留部102と、主貯留部内に点滴液を流入させる点滴液流路125と、点滴液流路を通って主貯留部内に流入する点滴液が通過することができるように設けられた親水性フィルタ140とを備えている。【選択図】図1
