The invention relates to a wiper blade device, in particular a windscreen wiper blade device, comprising: at least one wiper blade (10); at least one adapter unit (12) for coupling the wiper blade (10) to a wiper arm (14) of a wiper (16), in particular a windscreen wiper; at least one spraying unit (18) integrated in the wiper blade (10); and at least one washing water distributor unit (20) for supplying washing water to the spraying unit (18), in particular to nozzle elements (22) of the spraying unit (18) which are arranged substantially parallel to a main extension direction (54) of the wiper blade (10) along the wiper blade (10), wherein the washing water distributor unit (20) has at least one channel coupling element (24) for coupling at least one portion of the washing water distributor unit (20) to a washing water channel (26) of the spraying unit (18), the coupling being provided in particular for passage of a fluid and being preferably fluid-tight, and wherein the washing water distributor unit (20) has at least one adapter coupling element (28) for coupling at least one additional portion of the washing water distributor unit (20) to an additional washing water channel (30) of the adapter unit (12), the coupling being provided in particular for passage of a fluid and being preferably fluid-tight. According to the invention, the additional washing water channel (30) is formed at least in part by the adapter unit (12).