A cartridge for holding a test specimen with an extremely small volume. The cartridge has a test chamber and a vestibule through which the test fluids are inserted into the test chamber. The cartridge has a stopper having a pair of seals, the first of which seals the test chamber inlet between the vestibule...http://www.google.fr/patents/US7604777?utm_source=gb-gplus-shareBrevet US7604777 - Cartridge for containing a specimen sample for optical analysis
Cartridge for containing a specimen sample for optical analysis