Blood oxygenation system

Details Blood oxygenation system Blood oxygenation system

A - Human Necessities

61

M

A61M 1/16 (2006.01) B01D 63/02 (2006.01) F28F 21/06 (2006.01)

Patent

CA 2071850

2071850 9106327 PCTABS00005 A bood oxygenation system (10) includes an oxygenator (12) for oxygenating blood and a heat exchanger (11) for regulating blood temperature. The heat exchanger includes a heat exchange coil (14) that provides a flow path for a heat exchange media, the heat exchange coil is configured to define a heat exchange zone, and the oxygenator is disposed in heat transfer relationship with the heat exchange zone in order to transfer heat between the heat exchange coil (14) and the oxygenator (12). The heat exchange coil (14) may at least partially circumscribe the oxygenator and, preferably, be helically shaped and disposed coaxially over a membrane oxygenator. In one embodiment, single or multiple hollow fiber strands (18) are wound onto a small diameter center core (25) so that the fiber segments provide spiralling helical blood-flow pathways which increase oxygen/carbon dioxide exchange by secondary flow paths.

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