A washing system comprises a support for holding several cartridges. Each cartridge has a chamber with an inlet and an outlet. Wash blocks are movably coupled to the support, each having two needles for penetrating the inlet and the outlet of a respective cartridge when the wash blocks are moved towards...http://www.google.fr/patents/US6715500?utm_source=gb-gplus-shareBrevet US6715500 - Cartridge washing system and methods
