An adjustable multi-connection device (10), comprising a first mechanism with multiple connections (12) comprising at least three connections (28, 30, 32), in which one or more of the connections (28, 30, 32 ) of the first mechanism with multiple connections (12) comprises a first plurality of slots (46, 48, 50, 70, 72, 74, 98, 100, 102)； a second mechanism with multiple connections (14) comprising a first connection (124), one or more intermediate connections (128) and a second connection (126), in which one or more of the first connection (124) and one or more of the intermediate connections (128) of the second mechanism with multiple connections (14) comprise a second plurality of slots (142, 144, 146, 174, 176, 178), and in which: the alignment of the first plurality of slots (46, 48, 50, 70, 72, 74, 98, 100, 102) and of the second plurality of slots (142, 144, 146, 174, 176, 178) define at least two working ports along a length of the device (10)； the second mechanism with multiple connections (14) receives and surrounds the first mechanism with multiple connections (12)； at least one of the mechanisms with first and second multiple connections (12, 14) is orientable； and the mechanisms with first and second multiple connections (12, 14) are operable independently of each other.Un dispositivo de múltiples conexiones orientable (10), que comprende un primer mecanismo con conexiones múltiples (12) que comprende al menos tres conexiones (28, 30, 32), en el que una o más de las conexiones (28, 30, 32) del primer mecanismo con conexiones múltiples (12) comprende una primera pluralidad de ranuras (46, 48, 50, 70, 72, 74, 98, 100, 102)； un segundo mecanismo con conexiones múltiples (14) que comprende una primera conexión (124), una o más conexiones intermedias (128) y una segunda conexión (126), en el que una o más de la primera conexión (124) y una o más de las conexiones intermedias (128) del segundo mecanismo con conexiones múltiples (14) comprenden una segunda plu
