B - Operations – Transporting – 01 – L
Patent
B - Operations, Transporting
01
L
B01L 3/02 (2006.01)
Patent
CA 2691370
The present invention relates to a withdrawal pipette (100) designed so that the movement of a piston (12) along one of its sliding directions (36, 38) simultaneously leads to the increase of the volume in a lower chamber (20) and the reduction of the volume in an upper chamber (22), and vice versa, the pipette additionally comprising fluid communication means (40) that alternately make it possible to establish a first fluid communication (A) between the lower chamber (20) and a channel emerging from a nozzle (28) isolated from this lower chamber, and a second fluid communication (B) between the upper chamber (22) and this same channel (28).
La présente invention se rapporte à une pipette de prélèvement (100) conçue de sorte que le mouvement d'un piston (12) selon l'un des sens de coulissement (36, 38) entraîne simultanément l'augmentation du volume dans une chambre inférieure (20) et la diminution du volume dansune chambre supérieure (22), et inversement, la pipette comprenant en outre des moyens de mise en communication fluidique (40) permettant d'établir alternativement une première communication fluidique (A) entre la chambre inférieure (20) et un canal débouchant d'embout (28) isolé de cette chambre inférieure, et une seconde communication fluidique (B) entre la chambre supérieure (22) et ce même canal (28).
Malvoisin Herve
Millet Frederic
Gilson Sas
Smart & Biggar
LandOfFree
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