Cerebrovascular intervention puncture positioning device

The invention discloses a cerebrovascular intervention puncture positioning device, and relates to the field of medical instruments. Comprising a machine body, handles are arranged on the two sides of the machine body, a display screen is arranged in front of the machine body, a console is arranged above the display screen, a control rod is arranged on the right side of the front portion of the console, a connecting line is arranged above the machine body, the connecting line is connected with a positioning probe, and the positioning probe comprises a probe shell. A protection net is arranged in the probe shell, a control tube, a gas cylinder, a gas chamber and a positioning protrusion are arranged in the protection net, compressed gas in the gas cylinder can open the positioning protrusion, the positioning protrusion and the blood vessel wall extrude each other to form positioning, the positioning effect can be effectively achieved, the static state between the blood vessel and a puncture knife is kept, and