1. A coupling device (2) for connecting the at least two conductive portions (4, 6) of the system for treating wounds negative pressure, wherein the two conductive portion (4, 6) are arranged in relation to the coupling device (2) from the wound and a connecting device (2) at its farthest from the wound side can be connected to leading to a device creating a third multi conductive portion (34) of negative pressure, characterized in that at least two conductive portion (4, 6) are multi-channel, each conductive portion (4, 6) comprises a multi-connection device (16, 18) adapted to be brought into fluid connection with the connecting device (2) while separated by channels other (8, 12 10, 14) two conductive portions (4, 6) from the wound remain separated from each other also in the connection device (2) and inside the third conductive portion .2 (34). A coupling device according to claim 1, characterized in that the third conductive portion (34) comprises a connecting device (32) for connection to the coupling device (2) .3. A coupling device according to claim 1 or 2, characterized in that it is formed by the connecting block (22) formed as a single elementa.4. A coupling device according to claim 1 or 2, characterized in that it is designed as a cast izdeliya.5. A coupling device according to claim 1 or 2, characterized in that inside the coupling device (2) every two channels (8, 12 10, 14) from the wound consolidated into one channel (24, 26) on the far wound storone.6 . A coupling device according to claim 5, characterized in that the corresponding details to1. Соединительное устройство (2) для соединения, по меньшей мере, двух проводящих участков (4, 6) системы для лечения ран отрицательным давлением, причем два проводящих участка (4, 6) расположены по отношению к соединительному устройству (2) со стороны раны, а соединительное устройство (2) на своей дальней от раны стороне может соединяться с ведущим к устройству создания отрицательного давления третьим многока
