Apparatus and method for the diffusion of substances between two

Details Apparatus and method for the diffusion of substances between two Apparatus and method for the diffusion of substances between two

1979-01-24

1980-12-16

Hart, Charles N.

Chemical apparatus and process disinfecting, deodorizing, preser

Blood treating device for transfusible blood

Oxygenator

128DIG3, 55158, 261DIG28, 422 47, 422 48, A61M 103

Patent

active

042397286

ABSTRACT:
An apparatus and method for the diffusion of substances between two fluids. The apparatus comprises at least one semipermeable membrane having first and second opposing surfaces, first conducting means for conducting a first fluid along the first surface of the membrane, and second conducting means for conducting a second fluid along a second surface of the membrane. The membrane is permeable to a portion of the first fluid so that at least a part of the portion of the first fluid is diffused through the membrane into the second fluid during conduction of the first and second fluids along the opposing surfaces of the membrane. Mixing means are provided for directly mixing the first fluid into the second fluid after conduction of the first fluid along the first surface of the membrane. In the preferred embodiment, this mixing means comprises apertures at the downstream end of the membrane for introducing the first fluid directly into the second fluid flowing on the opposite side of the membrane.

REFERENCES:
patent: 3034505 (1962-05-01), Sobol
patent: 3332746 (1967-07-01), Claff et al.
patent: 3398091 (1968-08-01), Greatorex
patent: 3413095 (1968-11-01), Bramson
patent: 3488158 (1970-01-01), Bentley et al.
patent: 3594130 (1969-03-01), North, Jr.
patent: 3651616 (1972-03-01), Blanchard et al.
patent: 3684097 (1972-08-01), Mathewson, Jr. et al.
patent: 3768653 (1973-10-01), Brumfield
"Heart Surgery with a Membrane Oxygenator in Infants" Journ. of Thor. and Card. Surgery, Sugg et al, vol. 67 #4 Apr. 1974.
"Heart-Lung Bypass" P.M. Galletti et al. Grune and Stratten, NY 1962, pp. 156-159.
"Clinical Evaluation of Harvey H200 Oxygenator" Page et al., Jour. Of Thor. and Card. Surgery, vol. 67 #2, Feb. 1974.
"The Infant Temptrol Oxygenator" Clark et al., Journ. of Thor. and Card. Surgery, vol. 60 #1, Jul. 1970.

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