Patent ID: 8764729
Filing Date: 2014-07-01
Classification: A61B,A61F,A61M

Abstract:
1. A method for delivering a substance to a paranasal sinus, the method comprising: advancing a guide device through a nostril to position a distal end of the guide device in or near a natural ostium of a paranasal sinus; advancing a substance delivery sinus spacer device extending from a distal end of an elongate catheter out of the distal end of the guide device and into the paranasal sinus such that retention members on the sinus spacer device deploy to retain the sinus spacer device in the paranasal sinus; after advancing the substance delivery sinus spacer device, introducing a substance into a substance eluting reservoir of the sinus spacer device so that the substance elutes from the reservoir through multiple apertures; separating the sinus spacer device from the catheter; and removing the guide device and the catheter from the nostril, leaving the sinus spacer device behind in the paranasal sinus.