A system (10, 60) for the contribution of an implant (12) within an internal cavity of a body, comprising: a tubular catheter, comprising an outer sheath (16, 66) slidably arranged around a inner member (14, 64)； an implant, comprising a self-expanding and tubular section, carried by the inner member (14, 64) and arranged in an intermediate position to the inner member (14, 64) and to the outer sheath (16, 66)； in which: the inner member (14, 64) comprises reinforcing filaments (42b) embedded within a die (44) in order to improve the column resistance and resist the axial compressive drag of the inner member (14 , 64), and characterized in that the system (10, 60) includes a distal mutual interlocking structure (29, 69) and a proximal mutual interlocking structure (27, 67), such that a distance between the structure of Mutual distal interlocking (29, 69) and the proximal mutual interlocking structure (27, 67) is longer than a length of the implant (12) from a distal end (12b) of the implant (12) to a proximal end (12a) of the implant (12), and the distal end (12b) of the implant (12) is coupled with the distal mutual locking structure (29, 69), and the proximal end (12a) of the implant (12) is coupled with the structure mutually proximal locking (27, 67), such that the implant (12) is preloaded to tension within the sheath (16, 66) to a length that is 1% to 15% larger than the length of the implant (12) not subjected to traction.Un sistema (10, 60) para el aporte de un implante (12) dentro de una cavidad interna de un cuerpo, que comprende: un catéter tubular, que comprende una vaina exterior (16, 66) dispuesta de forma deslizante en torno a un miembro interior (14, 64)； un implante, que comprende una sección autoexpansible y tubular, portada por el miembro interior (14, 64) y dispuesta en posición intermedia al miembro interior (14, 64) y a la vaina exterior (16, 66)； en el cual: el miembro interior (14, 64) comprende unos filamentos de refuerzo (42b) embebidos en
