Fluid pressure gun device of balloon catheter

The fluid pressure gun device comprises a tubular cavity, a fluid tube, a pressure monitoring device, a plunger, a screwing structure, a housing and a braking structure, a cavity is formed in the cavity, the plunger is arranged in the cavity, a containing chamber is formed in the housing, the screwing structure comprises two screwing blocks, and the two screwing blocks are connected with the pressure monitoring device. The screwing blocks are oppositely arranged in the containing chamber with the plunger as the center, the screwing blocks are screwed with the plunger respectively, the springs abut against the screwing blocks and the housing respectively, and the braking structure is used for braking the screwing blocks to be separated from the plunger. At least two opposite sides of the plunger are respectively supported by the screwing blocks, and the reliability of combination of the plunger and the screwing blocks is high. 本发明公开了一种球囊导管的流体压力枪装置，包括一管状的腔体、一流体管、一压力监测装置、一柱塞、一螺合构造、一罩壳及一掣动构造，其中腔体的内部形成一腔室，柱塞设于腔室，罩