Catheter assembly

The utility model discloses a catheter assembly, including head end, pipe, joint, seal wire and handle, the one end intercommunication of pipe the head end, the other end of pipe is connected the joint, the seal wire stretch into the pipe movablely in, the first end of seal wire can stretch into the head end, second end pass movablely connect the back with the handle link to each other, the inside vacuole formation of head end, appearance be by two sections integrated into one piece, and one section to be the side nicked cylindric, and the incision communicates with each other with the cavity, and another section is tip form coniform or the evagination cambered surface, and this section is sealed, and this section summit is the arc surface and passes through, the one end terminal surface of head end forms the opening, and this opening communicates with each other with the cavity, this opening intercommunication the pipe. The utility model discloses catheter assembly has guaranteed that the pipe inner chamber is large -traffic, and the support nature of its pipe is good simultaneously, is convenient for put the pipe, pipe inner wall, seal wire outer wall are handled through lubricated, and the surface prevents stifled pipe in the same direction as smooth, and the seal wire is inserted and is dialled in the same direction as smooth, and the resistance is little.