Drainage tube adapter device

The utility model relates to a drainage tube adapter device which is applied to a drainage device used in surgical drainage. The technical scheme is as follows: the drainage tube adapter device comprises an upper adapter and a lower adapter, one end of the upper adapter is a drainage tube connecting end and the other end thereof is a disconnecting end, a through-hole is axially arranged on the upper adapter, one end of the lower adapter is a drainage tube connecting end and the other end thereof is a disconnecting end, a through-hole is axially arranged on the lower adapter, the upper adapter and the lower adapter are detachably connected through the disconnecting ends, and the through-holes of the upper and the lower adapters are communicated with each other after the upper and the lower adapters are connected. With the technical scheme, the drainage tube adapter device solves the problems of the prior art, is convenient and easy to use, has strong operability, and reduces the contact between the adapter and the external environment.