Blood-air separator and filter

Details Blood-air separator and filter Blood-air separator and filter

1980-09-15

1983-01-11

Spear, Jr., Frank A.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

55178, 55201, 210436, 210456, 210927, B01D 1900

Patent

active

043681182

ABSTRACT:
The blood-air separator is for use in the extracorporeal blood bypass during cardio-pulmonary surgery. Air bubbles are separated from the recirculating blood stream by centrifugal force and buoyancy after the stream has left the oxygenator and before it returns to the patient. Separation is accomplished by imparting circular motion to the bloodstream within the separator at a point where air bubbles can move upward and inward, and blood liquid outward and downward. Curved vanes in the blood flow stream cause the circular blood motion.

REFERENCES:
patent: 2018901 (1935-10-01), Rush
patent: 2952330 (1960-09-01), Wihslow
patent: 3242643 (1966-03-01), Moore et al.
patent: 3468614 (1969-09-01), Hilssuh
patent: 4085040 (1978-04-01), Egah
patent: 4164468 (1979-08-01), Raible
patent: 4190426 (1980-02-01), Ruschke

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