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

  • US 8,870,893 B2
  • Filed: 04/29/2010
  • Issued: 10/28/2014
  • Est. Priority Date: 04/21/2004
  • Status: Active Grant
First Claim
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1. A device for removing polyps or other tissue from the nose, nasopharynx or paranasal sinus, said device comprising:

  • a flexible catheter having a distal end and a lumen;

    a flexible tube having an open distal end and a lumen extending therethrough, said flexible tube being rotatably disposed within a lumen of the catheter such that the flexible tube may rotate while the catheter does not rotate;

    a rotating cutter on the distal end of the flexible tube;

    an opening formed in the catheter such that matter may be received through the opening and cut by the rotating cutter;

    a moveable retractor apparatus that is operative to retract matter that has entered the opening into contact with the rotating cutter; and

    at least one bearing disposed between the catheter and the flexible tube.

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