FIELD: transportation.SUBSTANCE: device Y1 to remove foreign material for use in pointwork X1 is provided with a point rail 100 and a point 200. Device Y1 to remove foreign material is provided with an inlet element 4, comprising an inlet channel 44, besides, the inlet element 4 stretches towards width of the point rail 100 in the area below, compared to the lower surface B1 of the point rail 100, and a connecting part 22, comprises a channel 22 of communication for communication between a nozzle part 21, which injects substance removing foreign material, into the space between the point rail 100 and the point 200, and the inlet channel 44. The connecting part 22 is connected to one end part 41 of the inlet element 4 in the area below the lower surface B1 of the point rail 100. The other end part 42 of the inlet element 4, located outside the lower surface B1 of the point rail 100 with top plan view, is arranged so that the operator could hold one end part 41 in the condition, where one end part 41 does not f
