Devices for maintaining patency of surgically created channels in tissue
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United States of America Patent
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Jan 3, 2017
Grant Date -
May 16, 2013
app pub date -
Oct 31, 2012
filing date -
Jul 18, 2003
priority date (Note) -
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Abstract
Devices and methods for altering gaseous flow within a lung to improve the expiration cycle of an individual, particularly individuals having chronic obstructive pulmonary disease. The methods and devices create channels in lung tissue and maintain the patency of these surgically created channels in tissue. Maintaining the patency of the channels allows air to pass directly out of the lung tissue which facilitates the exchange of oxygen ultimately into the blood and/or decompresses hyper-inflated lungs.
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