Cleaning device for a drinking straw

A cleaning device (1) for a drinking straw (60), comprising the drinking straw, a water tap, a connection portion (10) configured for firmly but removably connecting the cleaning device (1) to the water tap (50), an outlet portion (30) having a receiving means (34) with a defined axial direction (32) and radial direction (33) for receiving the drinking straw (60), and a manipulation portion (20), wherein the cleaning device (1) is configured with an inlet cross section (11) and an outlet cross section (31) such that the connection portion (10) is fluidically connected to the outlet portion (30) via the manipulation portion (20), wherein a ratio of an area of the inlet cross section (11) to an area of the outlet cross section (31) is more than 10, and less than 40, wherein the receiving means (34) is configured with a sealing surface (35) such that the drinking straw (60) can be tightly received by the outlet portion (30) when in contact with the sealing surface (35), and wherein the manipulation portion (20) comprises a dynamic means (21) for manipulating a fluid flow through the cleaning device (1), and the dynamic means (21) is equipped and configured with at least one flow manipulator (22) such that a rotational component of motion can be is imposed on a fluid flowing through the cleaning device (1), wherein the flow manipulator (22) is configured as a helical element (23) with at least one thread (24).