ECMO arteriovenous puncture rapid expansion kit

The utility model discloses a rapid expansion suite for ECMO arteriovenous puncture, and relates to the technical field of blood vessel dilators. The device comprises a guide pipe, a first circular ring is fixedly arranged on the outer surface of one end of the guide pipe, a second circular ring is arranged on the outer surface of the guide pipe in a sliding and sleeved mode, and a plurality of steel strip wires are installed between the opposite sides of the first circular ring and the second circular ring in an annular array mode. When the blood vessel dilator is used for dilating the blood vessel of a patient, one end of the catheter is inserted into the blood vessel in the body of the patient, the adjusting assembly adjusts the second circular ring to slide along the catheter to be close to the first circular ring, and the second circular ring and the first circular ring extrude the plurality of steel strip wires, so that the plurality of steel strip wires are synchronously deformed and bent; the multiple