The invention relates to a device for the predeterminable arrangement of a stent (2) in a blood vessel (3), wherein the device comprises a first inflatable hollow body (4) and a second inflatable hollow body (5), wherein in a limp state of the two inflatable hollow bodies (4, 5) the first hollow body (4) and the second hollow body (5) are each substantially cylindrical, and wherein the first hollow body (4) is arranged substantially in alignment with a longitudinal extension of the second hollow body (5). According to the invention, in a predeterminable inflated state of the two hollow bodies (4, 5), the first hollow body (4) and the second hollow body (5) are each substantially cylindrical, and the longitudinal extension of the second hollow body (5) assumes a predeterminable angle between 20° and 160° with respect to the longitudinal extension of the first hollow body (4).
