Stent introduction device and stent introduction method

The invention belongs to the technical field of medical instruments, and discloses a stent leading-in device and a stent leading-in method.The pressing and holding assembly of the stent leading-in device is provided with a pressing and holding cavity used for containing a stent, and the stent is in a pressing and holding state; the tube body butt-joint assembly clamps the conveying sheath tube; the displacement assembly can move the pressing and holding assembly and/or the tube body butt joint assembly in a reciprocating mode in the first direction and/or the second direction and/or the third direction so that the conveying sheath tube can be connected to the pressing and holding assembly. When the stent is in a pressing and holding state, the conveying guide wire is arranged in the stent and extends in the axial direction of the pressing and holding cavity, a first limiting piece and a second limiting piece of the conveying guide wire are located on the two sides of the far end of the stent respectively to f