Hemodialysis trocar

The invention belongs to the technical field of medical equipment, and particularly relates to a hemodialysis trocar which comprises a needle tube, a needle head is mounted at one end of the needle tube, a socketed tube is detachably mounted at the other end of the needle tube, a first hose is mounted at the end, away from the needle tube, of the socketed tube, a limiting ring is mounted at the side end of the needle tube, and a limiting groove is formed in the limiting ring; the handheld handle assembly is detachably mounted at the limiting groove of the limiting ring; the disc wing fixing assembly is detachably mounted at the limiting groove of the limiting ring; two hemostasis valve membranes are installed in the needle tube, a hemostasis valve assembly is installed at the end, close to the needle tube, of the socketed tube, and the hemostasis valve assembly is matched with the hemostasis valve membranes. The Luer female connector is fixedly connected to the end, away from the sleeving connection, of the f