A micro-needle (4) comprising a sharp tip (31), an elongated body (32) and a head (36) containing at least two parallel independent lumens (5,6), each of said lumens (5,6) communicating with a distal side opening (7,8) of the head (36) said openings (7,8) being essentially oriented in a direction which is perpendicular with respect to its lumen (5,6) main direction and wherein the distal top end (33,34) of said lumen (5,6) is in the head (36) of the micro-needle (4).
