G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 1/10 (2006.01) B01L 99/00 (2010.01) B01L 3/02 (2006.01) G01N 1/00 (2006.01) G01N 33/483 (2006.01) G01N 35/00 (2006.01) G01N 35/10 (2006.01) G01N 35/06 (1990.01) B01L 11/00 (2006.01)
Patent
CA 2102113
2102113 9219949 PCTABS00017 An apparatus and method for dispensing a predetermined volume of liquid from a closed, liquid-containing blood collection tube (4) is described. The apparatus includes a dual conduit (36) providing a passageway for liquid to be dispensed from a closed blood collection tube and a gas conduit providing a passage way for gas to be introduced into the blood collection tube. Included in the apparatus is a means of inserting the dual conduit into the blood collection tube, a means of turning the tube away from a vertical, upright orientation, a means of connecting and disconnecting the gas passage way from a gas supply, a means for displacing a volume of gas through the gas passage way, and a means of controlling the operation of the apparatus. A method is also disclosed involving insertion of a dual conduit into a closed blood collection tube, connecting a gas supply to a gas conduit of the dual conduit, rotating the tube away from a vertical, upright orientation, introducing a volume of gas corresponding to a signal into the blood collection tube, receiving a predetermined volume of liquid from the blood collection tube, and physically disconnecting the gas supply from the gas passage way.
Cordua-Von Spect Winona
Godolphin William J.
Killam Geoffrey T.
Mcewen James A.
Pires David P.
Mds Inc.
Smart & Biggar
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