Blood-air separator and filter
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United States of America Patent
Stats
-
Jan 11, 1983
Issued Date -
N/A
app pub date -
Sep 15, 1980
filing date -
Jan 7, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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