#$%^&*AU2019236682B220201008.pdf#####DEVICE FOR TEMPORARY LOCAL APPLICATION OF FLUIDS Abstract The invention relates to a medical device for local application of a fluid (97), comprising a flexibly deformable external hose (1)； whereby the external hose (1) comprises multiple throughgoing openings (2), whereby at least one of them is arranged in the area of a first end (3) of the external hose (1)； a flexible internal hose (4), whereby at least sections of the internal hose (4) are arranged on the inside of the external hose (1), whereby the internal hose (4), in an expanded state, has an external diameter that is at least equal to the internal diameter of the external hose (1), such that it closes the openings (2) of the external hose (1), whereby the external diameter of the internal hose (4) can be transitioned from the expanded state into a radially contracted state, such that the openings (2) are being exposed； a connection (5) that firmly connects the external hose (1) and the internal hose (4) to each other on the first end (3) of the external hose (1),and closes them in fluid-tight manner； and a connector (6) for supplying the fluid (97) into the intervening space between the external and the internal hose. The invention also relates to a hose system for designing a device of this type, a method for shortening a hose system of a device of this type, and a method for operating a device of this type. (Figure 8)8/14 99 98 90 79 1 12 155 97 161 99 84 8 96 94 944 1 3 1 3 Fig. 8
