Blood oxygenator heat exchanger

Details Blood oxygenator heat exchanger Blood oxygenator heat exchanger

A - Human Necessities

61

M

128/81.1

A61M 1/10 (2006.01) A61M 1/16 (2006.01) A61M 5/44 (2006.01) B01D 63/02 (2006.01) A61M 1/32 (2006.01) A61M 1/36 (2006.01)

Patent

CA 1213488

ABSTRACT Disclosed is a blood oxygenator for oxygenating venous blood thereby producing oxygenated arterial flood. The blood oxygenator includes a heat exchanger for transferring heat with the flood, preferably the venous blood, prior to, or in conjunction with, oxygenation, the heat exchanger being of a coiled bellows configuration including a plurality of individual smooth rounded surface ribs spaced apart by smaller diameter sections. Preferably, inner and outer scalloped members engage opposed portions of the bellows ribs providing a spiral, gently undulating flood flow path along adjacent windings of the heat exchanger coil.

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