The present invention relates to device for increasing the production flo w (8) in a production tubing(3), comprising at least one inlet(6) for adding a fluid medium (9) and means to provide the added fluid at an angle alpha b etween 90 and zero degrees with a longitudinal axis of the tubing. This effe ct is further enhanced by means (7, 12, 13) for rotating the added fluid med ium. A method for increasing the production flow in a production tubing is a lso disclosed.
