System and apparatus for proportioning fluid flow

G - Physics – 05 – D

Patent

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G05D 11/13 (2006.01)

Patent

CA 2397111

A method, apparatus and system for combining a first biological fluid (155) with a second biological fluid (150) to produce a mixture (157) of first and second biological fluids that may be adjusted and maintained to achieve a desired ratio. Particular applications may include pheresis, chemotherapy, dialysis, and pharmaceutical or chemical preparation manufacture. The apparatus includes subcomponent lines (120, 130,131), valving means (170), pressure means, pressure indicator means, and load cells (180, 181). The system may have numerous feedback components for accurately controlling the pressure, flow rates, and amount of fluid treated.

L'invention concerne un procédé, un appareil et un système pour combiner un premier fluide biologique à un deuxième fluide biologique pour produire un mélange des premier et deuxième fluides biologiques qui peut être ajusté et maintenu pour obtenir un rapport requis. Les applications particulières peuvent comprendre l'aphérèse, la chimiothérapie, la dialyse et la fabrication de préparations pharmaceutiques ou chimiques. Cet appareil comprend des conduites de sous-composants, des moyens formant clapets, des moyens de pression, et d'indication de pression et des cellules de charge. Ce système peut présenter de nombreux éléments de rétroaction pour contrôler avec précision la pression, les débits et la quantité de fluide traité.

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