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Devices, systems and methods for diagnosing and treating sinusitis and other disorders of the ears, nose and/or throat

  • US 7,727,186 B2
  • Filed: 10/25/2007
  • Issued: 06/01/2010
  • Est. Priority Date: 04/21/2004
  • Status: Active Grant
First Claim
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1. A method for treating sinusitis and/or a disorder of a nasal cavity in a patient, the method comprising:

  • advancing a catheter through a nostril of the patient to position an anterior occluder of the catheter at a first position in the nostril and a posterior occluder of the catheter at a second position posterior to the first position, wherein the catheter extends between the anterior and posterior occluders;

    expanding the posterior and anterior occluders to form fluid tight seals with tissue of the patient at the first and second positions;

    passing a substance through the catheter into an area of the patient between the fluid tight seals;

    collapsing the occluders;

    performing a treatment on at least one of a paranasal sinus, a paranasal sinus ostium or a nasal cavity using a treatment device;

    removing the catheter from the patient;

    advancing a guide device into the nostril;

    advancing a balloon dilation catheter over or through the guide to position a balloon of the balloon dilation catheter in a paranasal sinus ostium;

    expanding the balloon to expand the ostium;

    deflating the balloon; and

    removing the balloon dilation catheter from the patient.

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