Patent ID: 8431089
Filing Date: 2013-04-30
Classification: C12M,G01N,Y10T

Abstract:
1. A sampling valve for removing a sample of defined volume from a bioreactor with reduced mechanical loading of the sample, comprising a sample chamber of defined volume having an inlet adapted for installation through a wall of said bioreactor or in a nozzle on a wall of said bioreactor, and an outlet connected to a rear valve interior, and said rear valve interior comprises an outflow nozzle connected to a transport conduit, wherein a front sealing element opens and closes the inlet and a rear sealing element opens and closes the outlet, said front and rear sealing elements being connected to opposite ends of a connecting shaft which shaft is movable by a controller between a first position and a second position in which first position the front sealing element is in an open position and the rear sealing element is in a closed position and in which second position the front sealing element is in a closed position and the rear sealing element is in an open position, whereby the inlet is open at the same time as the outlet is closed, and the outlet is opened at the same time the inlet is closed, wherein the sample chamber is further connected to an inlet channel, wherein to transport the sample, gas or liquid is introduced through the inlet channel and slowly displaces the sample from the sample chamber into the rear valve interior and to the outflow nozzle.