Heart atrial septum puncture guide wire assembly

The utility model discloses a heart atrial septum puncture guide wire assembly which comprises a Luer taper three-way tube, the Luer taper three-way tube is provided with a first port, a second port and a third port, the second port is fixedly connected with a sheath tube, a sheath core is arranged in the sheath tube, and the sheath core is fixedly connected with the third port. The end, away from the second port, of the sheath core penetrates through the sheath tube and extends to the outer side of the sheath tube, a guide wire is arranged in the sheath core, one end of the guide wire penetrates through the sheath core and extends to the outer side of the sheath core, and the other end of the guide wire sequentially penetrates through the second port and the first port and extends to the outer side of the Luer taper three-way tube. According to the utility model, the guide wire is used for puncturing the interval of the atrium, after the puncture part is confirmed to be correct, the sheath core enters the he