Method for generalized extracorporeal support
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United States of America Patent
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Aug 19, 2003
Grant Date -
N/A
app pub date -
Aug 15, 1997
filing date -
Aug 15, 1997
priority date (Note) -
Expired
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Abstract
A system and method for increasing gas concentration in blood which has use as a generalized extracorporeal system and method to treat hypoxemic blood from a patient by mixing the blood with an oxygen supersaturated solution to generate hyperoxemic blood to be infused back to the patient. The extracorporeal system comprises an extracorporeal tubing through which blood from the patient is circulated, a blood pump for withdrawing blood from and delivering blood to the patient, at least one channel for delivering oxygen-supersaturated fluid and a mixing region for introducing supersaturated fluid without bubble formation. By infusing the oxygen-supersaturated fluid into the hypoxemic or normoxemic blood from the patient, hyperoxemic blood is thereby produced. The hyperoxemic blood is then returned to a central vein, right heart or artery of the patient with the blood pump at approximately the same volume delivery rate as blood volume withdrawal rate.
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