Device for sampling and/or injecting inside a plugged sample tube

摘要

PCT No. PCT/FR98/01734 Sec. 371 Date Apr. 19, 1999 Sec. 102(e) Date Apr. 19, 1999 PCT Filed Jul. 30, 1998 PCT Pub. No. WO99/09389 PCT Pub. Date Feb. 25, 1999The invention concerns a hollow needle axially mobile so as to pierce a container stopper. Said needle comprises a pointed end with a cutting edge tangent to the needle cylindrical body generatrix, an oblique shape linking the edge to said cylindrical body and a side outlet orifice of the channel centred on said generatrix and a site spaced from the edge, said orifice being centred perpendicular to the needle longitudinal axis. This invention is applicable to automatic and semiautomatic analytical equipment.