Apparatus and Methods for Dilating and Modifying Ostia of Paranasal Sinuses and Other Intranasal or Paranasal Structures
2 Assignments
0 Petitions
Accused Products
Abstract
Sinusitis and other disorders of the ear, nose and throat are diagnosed and/or treated using minimally invasive approaches with flexible or rigid instruments. Various methods and devices are used for remodeling or changing the shape, size or configuration of a sinus ostium or duct or other anatomical structure in the ear, nose or throat; implanting a device, cells or tissues; removing matter from the ear, nose or throat; delivering diagnostic or therapeutic substances or performing other diagnostic or therapeutic procedures. Introducing devices (e.g., guide catheters, tubes, guidewires, elongate probes, other elongate members) may be used to facilitate insertion of working devices (e.g. catheters e.g. balloon catheters, guidewires, tissue cutting or remodeling devices, devices for implanting elements like stents, electrosurgical devices, energy emitting devices, devices for delivering diagnostic or therapeutic agents, substance delivery implants, scopes etc.) into the paranasal sinuses or other structures in the ear, nose or throat.
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Citations
35 Claims
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1-10. -10. (canceled)
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11-17. -17. (canceled)
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18. A method for improving drainage from an ethmoid sinus having an ostium and one or more adjacent ethmoid air cells in a human or animal subject, said method comprising the steps of:
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A) inserting a guide through the ostium and into the ethmoid sinus; B) advancing an enlarging device over the guide to a position within the ostium and using that enlarging device to enlarge the ostium; C) advancing a penetrating device into the ethmoid sinus and using that penetrating device to form an opening between the ethmoid sinus and an ethmoid air cell; D) advancing a guide from the ethmoid sinus, through the opening and into the ethmoid air cell; and E) advancing an enlarging device over the guide of step D to a position within the opening and using the enlarging device to enlarge the opening. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification