double needle extraction and method of making.

A sampling needle (1) comprising a main hollow lance (2) having a distal end adapted to perform a punch operation, said main (2) hollow lance connected to two tubes (12) provided each of a tube plug (7) to be connected to a tube, said needle (1) comprising a body (8) for holding the main hollow lance (2), said support body (8) two cylindrical inner surfaces forming said pipes ( 12), and the main hollow lance (2) fixed at its proximal end, to a sleeve (10) having an internal channel (18) of the distal end is connected to the proximal end of the hollow lance main being (2 ) and the proximal end opens into the holding body (8); characterized in that said sleeve (10) comprises at its proximal end two surfaces (19) crescent-shaped inwardly inclined interior channel (18) and towards the distal end of the sleeve (10) being disposed each one of said surfaces (19) crescent-shaped to extend in line with one of the cylindrical inner surfaces (12) of the holding body (8).