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Endoscopic methods and devices for transnasal procedures

  • US 20070293727A1
  • Filed: 07/31/2007
  • Published: 12/20/2007
  • Est. Priority Date: 04/21/2004
  • Status: Active Grant
First Claim
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1. A method for positioning a working device at a desired location within the ear, nose, throat or cranium of a human or animal subject, said method comprising the steps of:

  • (A) inserting an endoscope into or through the first channel of a guide device that includes an elongate shaft, a distal end a second channel into which a working device may be inserted and a first channel into which the endoscope is inserted;

    (B) inserting the guide device into or through a nostril of the subject;

    (C) inserting the working device into or through the second channel; and

    (D) using the endoscope to view, guide or verify the positioning of the guide device and/or the working device.

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