Multifunctional tip catheter for applying energy to tissue and detecting the presence of blood flow
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United States of America Patent
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Sep 9, 2008
Grant Date -
Sep 12, 2002
app pub date -
Feb 21, 2002
filing date -
Aug 5, 1999
priority date (Note) -
In Force
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Abstract
Disclosed herein are devices for altering gaseous flow within a lung to improve the expiration cycle of an individual, particularly individuals having Chronic Obstructive Pulmonary Disease (COPD). More particularly, devices are disclosed to produce collateral openings or channels through the airway wall so that expired air is able to pass directly out of the lung tissue to facilitate both the exchange of oxygen ultimately into the blood and/or to decompress hyper-inflated lungs.
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