Lung reduction system
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United States of America Patent
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-
Mar 1, 2011
Grant Date -
Nov 22, 2007
app pub date -
Aug 6, 2007
filing date -
Jun 3, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lung-volume-reduction device for treating a lung to relieve symptoms of chronic obstructive pulmonary disease and/or emphysema. The device includes a chest-mounted housing and a conduit which projects from the housing through an aperture in the chest of the patient into the lung. The other end of the conduit is connected to flow-control device which may include a valve such as a one-way valve, check valve or pressure-actuated valve. The flow-control device is positioned within the chest-mounted housing. The lung-volume-reduction device permits gasses to pass through the conduit and flow-control device and vent to atmosphere external of the patient.
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