The present application concerns an intravenous catheter device (10), comprising a catheter hub (20) comprising an inner cavity (30), a flexible tube (40) arranged within the inner cavity (30) to provide a closeable passageway (90) for fluid through the catheter hub (20), and a flexible spring clip (50) which is movable between a deactivated position (80) and an activated position (70), wherein the spring clip (50) compresses the flexible tube (40) in the activated position (70) to close the passageway (90), wherein the spring clip (50) is moveable from the activated position (70) to the deactivated position (80) when a fluid connector (60) is inserted into the catheter hub (20).
