Devices and methods for dilating a paranasal sinus opening and for treating sinusitis

摘要

Medical devices which are adapted to be inserted into a patient for a limited period of time using minimally invasive insertion procedures for dilating a stenotic opening, such as a stenotic sinus opening, are provided. The devices and methods can be used for treating sinusitis and other nasal and/or sinus disorders.

主权项

1. A device for inserting a paranasal sinus dilator into a stenotic opening of a paranasal sinus of a patient, the device comprising:
a handheld member comprising (i) a handle sized to be grasped by a user's hand and having a grippable exterior surface; and (ii) a trigger activated by a user's thumb or finger; a hollow elongated member comprising:
a proximal end coupled to the handheld member; anda distal tip comprising an opening to an interior cavity of the hollow elongated member and a retention interface removably coupled to a paranasal sinus dilator; and an interior elongated member extending within the interior cavity of the hollow elongated member and operatively connected to the trigger; wherein the trigger extends around 25% or more of the exterior surface of the handle, and wherein the sinus dilator comprises a self-expanding osmotic driver comprising an osmotically active agent.