Medical flushing drainage tube

The utility model provides a medical washing drainage tube which belongs to the technical field of the medical appliance. The tube is formed by sleeving and combining an inner tube (1) and an outer tube (2), and is characterized in that two ends of the outer tube (2) are tightly coupled with the outer surface of the inner tube (1), wherein, the outer diameter of the inner tube (1) is less than the inner diameter of the outer tube (2). A plurality of circular grooves (3) are arranged on the outer surface of the front end of the outer tube (2), and a plurality of through holes (4) communicated with the outer tube (2) are arranged in the circular grooves (3). The rear end of the outer tube (2) is connected with a drainage tube (5) which is communicated with the outer tube (2). The utility model is simple and convenient to use and can carry out two processes of drainage and washing simultaneously, which are mutual independent without any intersection, therefore, the washing can be done more thoroughly. As the ven