A kit for fixing a double-lumen catheter hose, characterized by - a first plaster with a first side, which has an adhesive by means of which the first plaster can be applied to the skin of a patient, and with a second side opposite the first side, which has a hook-and-loop function area, - a second plaster with a first side, which has an adhesive by means of which the second plaster can be applied to the skin of the patient, and with a second side opposite the first side, which has a hook-and-loop function area, - a first fixing element which serves for fixing two lumina of a double-lumen catheter hose on the first plaster, characterized in that the first fixing element forms a loop closed by a hook-and-loop fastener around the two lumina, wherein the entire outwardly facing surface of the first fixing element is designed as a hook-and-loop function area in order to provide for a particularly easy and position-independent fixation of the first fixing element on the first plaster, wherein the hook-and-loop function area of the first fixing element together with the hook-and-loop function area of the first plaster forms a hook-and-loop fastener, and - a fixing tape which has a hook-and-loop function area and is provided to be guided around a body part of the patient and to be fixed on the body part of the patient by means of the second plaster by forming a hook-and-loop fastener between the hook-and-loop function area of the fixing tape and the hook-and-loop function area of the second plaster, wherein the fixing tape has a second fixing element which serves for fixing a first lumen of the double-lumen catheter hose on the fixing tape, and wherein the fixing tape has a third fixing element which is arranged directly adjacent to the second fixing element and which serves for fixing a second lumen of the double-lumen catheter hose on the fixing tape, wherein the first lumen and the second lumen let themselves be separately guided through the second fixing element and the third fixing element. - a first plaster with a first side, which has an adhesive by means of which the first plaster can be applied to the skin of a patient, and with a second side opposite the first side, which has a hook-and-loop function area, - a second plaster with a first side, which has an adhesive by means of which the second plaster can be applied to the skin of the patient, and with a second side opposite the first side, which has a hook-and-loop function area, - a first fixing element which serves for fixing two lumina of a double-lumen catheter hose on the first plaster, characterized in that the first fixing element forms a loop closed by a hook-and-loop fastener around the two lumina, wherein the entire outwardly facing surface of the first fixing element is designed as a hook-and-loop function area in order to provide for a particularly easy and position-independent fixation of the first fixing element on the first plaster, wherein the hook-and-loop function area of the first fixing element together with the hook-and-loop function area of the first plaster forms a hook-and-loop fastener, and - a fixing tape which has a hook-and-loop function area and is provided to be guided around a body part of the patient and to be fixed on the body part of the patient by means of the second plaster by forming a hook-and-loop fastener between the hook-and-loop function area of the fixing tape and the hook-and-loop function area of the second plaster, wherein the fixing tape has a second fixing element which serves for fixing a first lumen of the double-lumen catheter hose on the fixing tape, and wherein the fixing tape has a third fixing element which is arranged directly adjacent to the second fixing element and which serves for fixing a second lumen of the double-lumen catheter hose on the fixing tape, wherein the first lumen and the second lumen let themselves be separately guided through the second fixing element and the third fixing element.