A medical device (100), comprising: a receiving vessel element defining an interior compartment of the receiving vessel element, the receiving vessel element being configured to be inserted into a patient's body； a hole (108), whose hole communicates the inner compartment of the receiving vessel element and an outer area of the receiving vessel element； and a tubular element (104) defining a lumen (105) and includes a distal end (118) and a proximal end, characterized in that the distal end of the tubular element is attached to an internal surface of the receiving vessel element within the inner compartment, so that a part of the inner surface of the receiving vessel element hermetically closes the distal end of the lumen, where the tubular element extends through the hole and where the proximal end of the tubular element is configured to remain in the exterior of the interior compartment； wherein the tubular element is configured to receive a supply of a filling material in the lumen, which causes an additional length of the tubular element to pass through the hole and remain in the inner compartment of the receiving vessel element, and where The tubular element is configured to contain the filling material within the lumen of said tubular element.Un dispositivo médico (100), que comprende: un elemento de vaso receptor que define un compartimento interior del elemento de vaso receptor, estando configurado el elemento de vaso receptor para insertarse en el cuerpo de un paciente； un orificio (108), cuyo orificio pone en comunicación el compartimento interior del elemento de vaso receptor y una zona exterior del elemento de vaso receptor； y un elemento tubular (104) que define un lumen (105) e incluye un extremo distal (118) y un extremo proximal, caracterizado por cuanto que el extremo distal del elemento tubular está unido a una superficie interna del elemento de vaso receptor dentro del compartimento interior, de modo que una parte de la superficie interna del elem
