Patent ID: 8414473

Claim:
A device for dilating an ostium of a paranasal sinus of a human or animal subject, the device comprising: a handle; an elongate shaft having a proximal end coupled with the handle and extending to a distal end, wherein the shaft includes a lumen and a longitudinal opening extending from the lumen to an outer surface of the shaft along at least part of a length between the proximal and distal ends; a guidewire disposed through at least a portion of the shaft lumen; a dilator having a non-expanded configuration and an expanded configuration, wherein at least a portion of the dilator is disposed over the guidewire and within the shaft lumen; and a slide member coupled with at least one of the guidewire or the dilator through the longitudinal opening of the shaft for advancing the guidewire and/or the dilator relative to the shaft; wherein the slide is capable of axial rotation relative to the elongate shaft to rotate the guidewire and/or the dilator.