The report addresses the issue of continuous renal cell therapy increasing the gradient of renal blood flow. According to the content of the report, the drain (1) is co -located in a flexible outer tube (2) located on the outer side of the drain (1),where at the end of the drain (1) there are openings placed in a peripheral position. The channel (4) between the external surface of the drain (1) and the external surface of the pipe (2) is connected to the channel (5) of the pipe (6).
