Integrated blood oxygenator and pump system

Integrated blood oxygenator and pump system

The present invention relates to extracorporeal systems for oxygenating and pumping blood during cardiac surgery. More specifically, the present invention relates to an integrated oxygenator and pump system wherein the gas diffusion fibers form a pumping element. Improvements to integrated blood pum...

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Hauptverfasser: Afzal, Thomas A, Dueri, Jean-Pierre, Leynov, Alex, Makarewicz, Anthony, Piplani, Alec A, Potts, Greg
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Sprache:eng
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creator Afzal, Thomas A
Dueri, Jean-Pierre
Leynov, Alex
Makarewicz, Anthony
Piplani, Alec A
Potts, Greg
description The present invention relates to extracorporeal systems for oxygenating and pumping blood during cardiac surgery. More specifically, the present invention relates to an integrated oxygenator and pump system wherein the gas diffusion fibers form a pumping element. Improvements to integrated blood pump/oxygenator having a rotating hollow fiber bundle assembly that both oxygenates and pumps blood are provided. An inner member arranged along a central axis of the device accelerates blood entering the fiber bundle to reduce microbubble generation and blood trauma. Shearing loads imposed on the fiber elements of the fiber bundle are reduced by the addition of a reinforcement structure, while the gas flow path is configured to reduce flooding and loss of oxygenation efficiency due to occasional rupture of fiber elements.
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title Integrated blood oxygenator and pump system
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