Device for connecting fluid transport from at least one application probe to a supply tubing assembly, and handle for a surgical instrument. The present invention relates to a device for fluid transport connection of at least one application probe (2), said device comprising at least two coaxial extension application line elements (12, 22) having a supply tubing assembly (3), said tubing assembly comprising at least two parallel extension supply line elements (13,23) in a grip element (4) of a surgical instrument, in particular a cryosurgical instrument (1) such that, in the connected state, each supply line element (12, 22) is in fluid communication with at least one associated application line element (13,23) where a supply line element is provided. fluid bypass which is disposed or may be disposed in the gripping member (4), in fluid communication with an application line connecting region (32) for connecting the application line elements (12, 22) and with a region d and supply line connection (33) for connecting supply line elements (13, 23), and that at least two transfer line elements (16, 26) designed as an integral part of the fluid bypass element (6) are in fluid communication with the application line connection region (33) through the application line connection region (32).Dispositivo para a conexão de transporte de fluido de pelo menos uma sonda de aplicação com um conjunto de tubulação de suprimento, e alça para um instrumento cirúrgico. A presente invenção refere-se a um dispositivo para a conexão de transporte de fluido de pelo menos uma sonda de aplicação (2), o dito dispositivo compreendendo pelo menos dois elementos de linha de aplicação de extensão coaxial (12, 22), com um conjunto de tubulação de suprimento (3), o dito conjunto de tubulação compreendendo pelo menos dois elementos de linha de suprimento de extensão paralela (13, 23) em um elemento de agarre (4) de um instrumento cirúrgico, em particular, um instrumento criocirúrgico (1), de tal f
