Blood circulating circuit for membrane-type artificial lung, and

Details Blood circulating circuit for membrane-type artificial lung, and Blood circulating circuit for membrane-type artificial lung, and

1985-11-12

1988-08-23

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Blood treating device for transfusible blood

Oxygenator

21032178, 422 44, A61M 118

Patent

active

047659599

ABSTRACT:
A sealed-type flexible reservoir constituting part of the blood circulating circuit of a membrane-type artificial lung is regulated to a specified volume by a pair of opposing planar restricting members, thereby specifying the amount of blood circulating through the circuit. The reservoir comprises a vessel provided at its upper portion with deaeration ports, a blood inflow tube having two or more side apertures for communication with the interior of the vessel, and a blood outflow port for guiding blood exiting from the vessel. The side apertures are located at a position higher than the blood outflow port, with the blood inflow tube and blood outflow port being spaced away from each other by a predetermined distance, Accordingly, air bubbles carried into the reservoir by the flowing blood may be removed from the deaeration ports without being drawn out through the blood outflow port.

REFERENCES:
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patent: 3907504 (1975-09-01), Hammond et al.
patent: 3927980 (1975-12-01), Leonard
patent: 4026669 (1977-05-01), Leonard et al.
patent: 4466804 (1984-08-01), Hino
Kishi et al., Artificial Organs (vol. 6, No. 6, 1977) pp. 1 & 2, 270, 271 and 498.
SciMed Life Systems, Inc., The SciMed System, (SCI-1/78-6302) pp. 1-5.
Kimura et al., Artificial Organs (vol. 9, No. 2, 1980) pp. 1-3, 558-561 & 650.
The Annals of Thoracic Surgery, Published by Little, Brown & Co., Boston, Mass., vol. 26, Jul.-Dec., 1978, pp. 1-4 & 54-60.

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