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Intra-bronchial valve devices

  • US 20050033310A1
  • Filed: 05/17/2004
  • Published: 02/10/2005
  • Est. Priority Date: 09/11/2001
  • Status: Abandoned Application
First Claim
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1. A one-way obstruction device configured to permit fluid flow in an expiratory direction through an air passageway in a lung while precluding inhalation air flow through the passageway, the device comprising:

  • a frame defining a generally cylindrical portion, the frame being collapsible for advancement through a lumen into the air passageway;

    a resilient member at least partially enclosing the frame and configured to contact an inner wall of the passageway to obstruct airflow through the air passageway in an inspiratory direction.

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