Wiping system enabling the spraying of a fluid for cleaning and/or de-icing at a windscreen-wiper blade

The invention relates to a wiping system (1) comprising: - a drive arm (3) comprising a rod (30) extended by an end portion (31) capable of being connected to a windshield wiper blade (2); - a windshield wiper blade (2) assembled to said end portion (31) and comprising at least one channel (10) capable of channeling a cleaning and/or de-icing fluid; characterized in that said wiping system (1) comprises: - a transport duct (5) of said fluid which runs at least partly along said rod (30), said duct (5) contributing to channel said fluid towards said channel (10); - a connection means (8) contributing to ensure a removable connection between said duct (5) and said channel (10) and contributing to channel said fluid from said duct (5) towards said channel (10); - a retention means (9) capable of ensuring a fixing of said connection means (8) on said rod (30).