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Devices, systems and methods useable for treating frontal sinusitis

  • US 9,610,428 B2
  • Filed: 10/16/2014
  • Issued: 04/04/2017
  • Est. Priority Date: 04/21/2004
  • Status: Active Grant
First Claim
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1. A method for dilating a frontal recess in a human or animal subject with a dilation catheter, the dilation catheter comprising a catheter shaft, a dilator positioned along a distal portion of the catheter shaft and having a sufficient length to extend through the frontal recess, the method comprising:

  • (a) inserting a guide into a head of the subject;

    (b) advancing the guide to the frontal recess, then stopping advancement of the guide when a distal portion of the guide is positioned within or adjacent to the frontal recess;

    (c) advancing the dilation catheter relative to the guide to position the dilator within the frontal recess; and

    (d) expanding the dilator, wherein expansion of the dilator results in dilation of the frontal recess and at least some breakage of bone adjacent to the frontal recess.

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