A double lumen including a joint tube,a hollow head and a wall is provided in the present disclosure.The joint tube is inclusive of a connecting end,and a first pipe and a second pipe are extended from the other end of the joint tube.The hollow head is one piece formed at the connecting end extended therefrom.The hollow head is inclusive of a lateral wall,multiple lavage hole are formed at a side of the lateral wall,and multiple draining hole are formed at another side of the lateral wall.The wall is extended from where between the first pipe and the second pipe to the hollow head. A lavage channel and a draining channel are individually formed in the joint tube by the wall.The lavage channel is connected to the second pipe and the lavage hole,and the draining channel is connected to the first pipe and the draining hole.本發明係關於一種導流式灌洗頭結構,此導流式灌洗頭結構包括一接管本體、一中空頭及一分隔板,接管本體一端具有一連接端,另一端延伸有一第一接管及一第二接管;中空頭自連接端一體延伸成型,中空頭具有一周壁,周壁一側設有複數灌洗口,另一側設有複數引流口;分隔板一端自第一接管與第二接管之間延伸成型,另一端自中空頭末端延伸成型,接管本體與中空頭內部被分隔板分隔出相互不連通的一灌洗腔室及一引流腔室,灌洗腔室、第二接管與灌洗口相互連通,引流腔室、第一接管與引流口相互連通。10‧‧‧導流式灌洗頭結構1‧‧‧接管本體11‧‧‧連接端12‧‧‧第一接管13‧‧‧第二接管14‧‧‧管壁2‧‧‧中空頭21‧‧‧周壁211‧‧‧灌洗口212‧‧‧引流口22‧‧‧封閉端3‧‧‧分隔板
