Apparatus for concurrently oxgenating and pumping blood circulat

Details Apparatus for concurrently oxgenating and pumping blood circulat Apparatus for concurrently oxgenating and pumping blood circulat

1988-03-10

1992-05-05

Kummert, Lynn M.

Chemical apparatus and process disinfecting, deodorizing, preser

Blood treating device for transfusible blood

Oxygenator

55 16, 55158, 210137, 21032175, 21032178, 21032184, 21032287, 21050023, 128DIG3, 261DIG28, A61M 114

Patent

active

051105489

ABSTRACT:
An apparatus for concurrently oxygenating and pumping blood circulated extra-corporeally in vascular assistance includes at least one blood-oygenating fluid interface permeable to gas and impermeable to blood. The interface is provided within a container to define an exchange area between a first circulation space for blood and a second circulation space for an oxygenating fluid. A pressure control device is provided for periodically varying the pressure of an oxygenating fluid acting on the interface within the second circulation space. As a result, the oxygenated blood in the first circulation space is pumped therefrom through the oxygenated blood outlet concurrently during oxygenation of blood within the first circulation space.

REFERENCES:
patent: 3927980 (1975-12-01), Leonard
patent: 3927981 (1975-12-01), Viannay et al.
patent: 4094792 (1978-06-01), Bentley
patent: 4490331 (1984-12-01), Steg, Jr.

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