Intravascular blood pressure measuring guide wire

The invention relates to the technical field of medical instruments, in particular to an intravascular blood pressure measuring guide wire which comprises a supporting mechanism, an anti-skid pad is fixedly mounted at the bottom end of the supporting mechanism, a measuring guide wire is placed in the supporting mechanism, the supporting mechanism comprises a positioning device and alignment parts, and the alignment parts are symmetrically and slidably connected to the top end of the positioning device in a sleeving mode. The positioning device comprises guide blocks, a guide plate, drainage holes, a supporting chassis, an extension pipe, a water pipe, a first spring, a supporting base frame and a positioning base frame, the guide blocks are symmetrically and fixedly installed at the front end of the top of the supporting chassis, the guide plate is fixedly installed at the front end of the interior of the supporting chassis, and the drainage holes are formed in the front ends of the two sides of the supportin