X-ray endovascular occlusion is a transcatheter occlusion of the vessel, its embolization. For this, an embolizing material is injected through the catheter, which temporarily or permanently surrounds the lumen of the vessel. Depending on the caliber of the vessel and the purpose of the procedure, platinum microparticles, microspheres with ferromagnets, hemostatic gelatin sponge, metal spirals, oil emulsions are used.