A device (1) for moving an elongated element a predetermined distance in relation to an elongated body through which it extends at least partially, to thereby release a stent at the distal end of the elongated body, the device comprising: a take-up reel (32) on which the elongated element is wound when moved； and a limiter (50) which is configured to limit the further rotation of the take-up reel (32) after a length of the elongated element has been collected on the reel to move the elongated element by said predetermined distance, wherein the limiter ( 50) comprises a holding element, which is configured to progressively consume when the take-up reel (32) is rotated until the holding element anchors the take-up reel (32) against further rotation, with one end of the take-up member being provided fastening a line connector with which it can be attached to a limiter reel (53) on which it will be collected for consumption, and characterized in that the limiter reel (53) is provided with one or more reel connectors to which The line connector can be connected to connect the clamping element to the limiter reel (53).Un dispositivo (1) para mover un elemento alargado una distancia predeterminada en relación con un cuerpo alargado a través del que éste se extiende al menos parcialmente, para de este modo liberar un estent en el extremo distal del cuerpo alargado, comprendiendo el dispositivo: un carrete (32) de recogida sobre el que se enrolla el elemento alargado cuando se mueve； y un limitador (50) que está configurado para limitar el giro adicional del carrete (32) de recogida después de que una longitud del elemento alargado se ha recogido en el carrete para mover el elemento alargado dicha distancia predeterminada, en el que el limitador (50) comprende un elemento de sujeción, que está configurado para consumirse progresivamente cuando el carrete (32) de recogida se gira hasta que el elemento de sujeción ancla el carrete (32) de recogida contra el giro adicional, est
