Oxygenator having an improved heat exchanger

Details Oxygenator having an improved heat exchanger Oxygenator having an improved heat exchanger

A - Human Necessities

61

M

128/81.2

A61M 1/16 (2006.01)

Patent

CA 1255560

OXYGENATOR HAVING AN IMPROVED HEAT EXCHANGER Abstract Of The Disclosure A hollow fiber type blood oxygenator having an integrated and improved heat exchanger having a generally conical housing and core member between which a helically wrapped conduit is situated. The conduit has a plurality of parallel flutes. A housing and core member are formed with helical recessed regions which conform to the conical helix defined by the tubing or conduit. The tubing is formed with flattened opposing surfaces which mate with the corresponding recesses in the housing and core member. The mating on the flats on the tube or conduit to the corresponding flats in the recessed regions of the housing and core member allows a substantially tighter and more uniform fit which minimizes the dynamic blood priming volume.

523026

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