Method and apparatus for minimizing the risk of air embolism when performing a procedure in a patient's thoracic cavity
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United States of America Patent
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Nov 11, 2003
Grant Date -
Feb 21, 2002
app pub date -
Jun 1, 2001
filing date -
Jun 7, 1995
priority date (Note) -
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Abstract
An apparatus for minimizing the risk of air embolism includes an instrument delivery member 2 having a gas outlet 38 for delivering gas into a patient's thoracic cavity. The gas is directed across an opening 48 in the instrument delivery member 2 to help retain the gas in the patient's thoracic cavity. The gas is preferably carbon dioxide which is more soluble in blood than air which will thereby decrease the likelihood of the patient receiving an embolism due to trapped air in the patient's heart and great vessels after surgery.
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