Blood oxygenator

Details Blood oxygenator Blood oxygenator

1979-09-21

1981-03-03

Richman, Barry

Chemical apparatus and process disinfecting, deodorizing, preser

Blood treating device for transfusible blood

Oxygenator

422 47, A61M 103

Patent

active

042540810

ABSTRACT:
An oxygenator for blood employs a unique and inexpensive, tubular, finned heat exchanger, one type utilizing a spirally wound plate attached to the tube, and another type comprising longitudinal fins. The oxygenator provides a fairly uniform oxygen saturation which permits better control over the oxygen content in a patient's blood. Also, elevated inlet oxygen pressures can be reduced, and this lessens the possibility of embolii due to cavitation effects when CO.sub.2 is released by the blood following oxygenation.
A preferred form of a sparger for inlet oxygen to the blood is made of a porous, hydrophobic plastic material such as high density polyethylene.

REFERENCES:
patent: 3291568 (1966-12-01), Sautter
patent: 3488158 (1970-01-01), Bentley et al.
patent: 4065264 (1977-12-01), Lawin
patent: 4138288 (1979-02-01), Lewin
patent: 4138464 (1979-02-01), Lewin
patent: 4140635 (1979-02-01), Remond
patent: 4160801 (1979-07-01), Budolato et al.

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