Electrosurgical device having hollow tissue cutting member and transducer assembly
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United States of America Patent
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Jul 1, 2008
Grant Date -
Jun 29, 2006
app pub date -
Feb 16, 2006
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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