Needle valve nozzle for injection molds and valve needle

A needle valve nozzle (1) for an injection mold (2), comprising a housing (6) having a longitudinal passage (14), a material feed (7,8) to the housing (6) and into an interior (9) of the housing (6), and a valve needle (10) which can be moved axially in the longitudinal passage of said housing (6), the nozzle (1) having a material outlet which can be closed by means of the valve needle (10), the valve needle (10) having a channel (11) running longitudinally in its interior, said channel (11) being shorter than the valve needle (10), wherein an inlet (12) into the channel (11) is provided in the interior (9) of the housing (6), the channel (11) having as an outlet at least one lateral exit (13) in an area before a free end (10a) of the valve needle (10) which faces the injection mold (2), and wherein the free end (10a) of the valve needle (10) in the area of the exit (13) protrudes out of the passage (14) for the valve needle (10) into an injection molding position.