Stent delivery system (10) comprising: a catheter that includes an elongated body (14) having a stent connection location (26), said elongated body has a proximal end (14a) and a distal end (14b) ; a stent (612, 712) mounted on the elongated body at the stent connection location (26), the stent is expandable from an unfolded compressed orientation to an expanded expanded orientation, the stent includes proximal (612a) and distal ends, and comprises a plurality of struts, and an outer tubular member (16) mounted on the elongated body, the outer tubular member is positionable in a transport position in which it covers the stent that is mounted in the stent connection location, the outer tubular member (16) is also positionable in a deployment position in which the stent is exposed; characterized in that the stent also includes one or more first mutual locking structures (684, 784) positioned at proximal and / or distal ends of the stent, each first mutual locking structure (684, 784) is a defined opening within the struts of the stent (612, 712), and the elongated body includes one or more second mutual locking structures (682, 782), each second mutual locking structure (682, 782) is configured to be received in a first mutual locking structure respective (687, 784) when the stent is in the unfolded compressed orientation to restrict the axial movement of the stent (612, 712) with respect to the elongated body (14).Sistema de entrega (10) de estent que comprende: un catéter que incluye un cuerpo alargado (14) que tiene una ubicación de conexión de estent (26), dicho cuerpo alargado tiene un extremo proximal (14a) y un extremo distal (14b); un estent (612, 712) montado en el cuerpo alargado en la ubicación de conexión de estent (26), el estent es expandible desde una orientación comprimida no desplegada a una orientación expandida desplegada, el estent incluye extremos proximal (612a) y distal, y comprende una pluralidad de puntales, y un miembro tubular exterior (16)