Automatic air removal system
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United States of America Patent
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Jul 27, 2010
Grant Date -
Jul 12, 2007
app pub date -
Jan 20, 2005
filing date -
Jan 20, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for extracorporeal oxygenation of a patient's blood during cardiopulmonary bypass surgery. The apparatus comprises a bubble sensor, arranged at or connected to a venous line, for detecting bubbles in the venous blood received from the patient. When air bubbles are detected, a second pump is activated to draw air from an air chamber provided in an air filter connected to the venous line and arranged downstream of the bubble sensor. A first pump draws the blood from the air filter and supplies the blood to an oxygenator and to the patient via an arterial line.
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