Continuous nerve block anti-slip indwelling catheter

The utility model relates to the technical field of daily supplies. The utility model relates to an indwelling catheter, in particular to a continuous nerve block anti-slip indwelling catheter. The device comprises a central catheter, a fixed tube arranged at one tail end of the central catheter, and a dosing tube arranged on the fixed tube, a first through hole communicated with the outside is formed in the pipe wall of one tail end, close to the fixed pipe, of the central guide pipe; an air outlet hole communicated with the outside is formed in the pipe wall of the tail end, close to the body inlet end, of the central catheter, an outer balloon is further arranged on the central catheter, an inner balloon is arranged in the outer balloon, a fixing ring is tightly bonded to the tail end of the ventilation pipe located outside the first through hole, and a connector is arranged at the tail end of the dosing pipe. According to the indwelling catheter, the outer balloon and the inner balloon are arranged, the v