1. A catheter assembly comprising: - a catheter having opposed proximal and distal ends, wherein the catheter comprises a cavity extending between the proximal and distal ends of the catheter - an expandable device positioned at the distal end of the catheter and expandable to a fully deployed external size u fiber extending from the catheter and reversibly connectable to the side wall of the expandable device at the end of the expandable device or adjacent to it, to support the inner extensible bending device when the expandable device razvertyvaetsya.2. The catheter assembly of claim 1, comprising an elongate member extending through the catheter and through the side wall of the expandable device for a reversible coupling device with kateterom.3. The catheter assembly of claim 2, wherein the elongate member extends through the eyelet on the end of the fiber, the fiber splicing reversibly expandable ustroystvom.4. The catheter assembly of claim 3, wherein the fixed fiber end opposite the tab firmly attached to kateteru.5. The catheter assembly of claim 4, wherein the fiber extends from the fixed end through the lumen in the catheter penetrates through the side wall of expandable devices and returns through the lumen to a point close to the fixed kontsu.6. The catheter assembly of claim 5, wherein the elongate member extends through the eyelet at a point close to the fixed kontsu.7. The catheter assembly of claim 1, wherein the side wall of the expandable device includes a wire frame, wherein the fiber reversibly engages around part ramki.8 wire. A catheter assembly comprising: - a catheter having opposed proximal and distal ends, wherein the catheter and1. Катетер в сборе, содержащий:- катетер, имеющий противоположные проксимальный и дистальный концы, где катетер имеет полость, проходящую между проксимальным и дистальным концами катетера- расширяемое устройство, расположенное на дистальном конце катетера и расширяемое до полностью развернутого внешнего размера и- в
