1. A method of providing assistance in selecting the size of devices, comprising: obtaining X-ray images of the vessel, the introduction into the vessel guidewire having radiopaque tip wire X-ray imaging tip wire partition into segments tip of the wire during its passage through the vessel takzhepredostavlenie and information on the size of the vessel in relation to the size based on the size of the tip of provoloki.2. A method according to claim 1, wherein the tip of the wire image is an enhanced image provoloki.3 tip. A method according to claim 1 or 2, wherein the virtual line extending in parallel to the wire is superimposed on izobrazhenie.4. A method according to claim 3, wherein the range is calibrated in fractions provoloki.5 tip length. A method according to claim 4, wherein the line is a curved lineyku.6. A method according to claim 1, wherein the tip of the wire is divided into segments and modeliruetsya.7. A method according to claim 3, wherein the line is superimposed on the view sequence calculated from X-ray images on which are fixed the tip of the wire and a vessel, seen in the presence of a small amount of contrast veschestva.8. A method according to claim 3, wherein the line superimposed on a plot of successive x-ray images where the contrast agent injection has occurred, but before the introduction of the tip into the vessel provoloki.9. A method according to claim 1, wherein the line is applied at the appropriate angiographic izobrazhenii.10. A method according to claim 1, wherein the size of the tip of the wire obtained from the image of the wire tip is compared with actual size provoloki.11 tip. A method according to claim 10, wherein about1. Способ обеспечения помощи в подборе размера устройств, содержащий:получение рентгеновского изображения сосудавведение в сосуд проволочного направителя, имеющего рентгеноконтрастный кончик проволокиполучение рентгеновского изображения кончика проволокиразбиение на сегменты кончика проволоки при его прохожде
