1. The catheter assembly, comprising: a catheter with a front end, a rear end and a lumen extending between the front end and the rear end; an expandable device positioned to the front end of the catheter, the expandable device has a compressed state suitable for the endoluminal delivery of the expandable device to the treatment site vessel, and the expanded state with the outer peripheral size is larger than the outer peripheral size in the compressed state; the primary sleeve, continuing around the expandable device, and the first the primary sleeve comprises sheet material with first and second major surfaces and several openings extending between the first major surface and the second major surface; an initial connecting member engaged with holes in the primary sleeve for releasably connecting sections of the sheet to each other to limit the expandable device to a compressed state, the primary sleeve including a distal section that extends over the expandable device and can be opened by disengaging the primary connecting element from the primary sleeve for ensuring the expansion of the expandable device to the expanded state, the primary sleeve is separated from the expandable device and has a proximal portion accessible to a user to facilitate removal from the primary sleeve portion therapy after expansion of the expandable device to an expanded sostoyaniya.2. The catheter assembly of claim 1, wherein the proximal portion of the primary sleeve extends through the lumen of the catheter to the proximal end of the catheter to provide1. Катетер в сборе, содержащий:катетер с передним концом, задним концом и просветом, продолжающимся между передним концом и задним концом;расширяемое устройство, позиционированное к переднему концу катетера, расширяемое устройство имеет сжатое состояние, пригодное для эндолюминальной доставки расширяемого устройства к участку терапии сосуда, и расширенное состояние с наружным периферийным размером больше, чем наружный периферийный разм