Devices, systems and methods useable for dilating the ostia of paranasal sinuses and/or other passageways within the ear, nose or throat. A dilation catheter device and system is constructed in a manner that facilitates ease of use by the operator and, in at least some cases, allows the dilation procedure...http://www.google.com.au/patents/US20080195041?utm_source=gb-gplus-sharePatent US20080195041 - Systems and methods for transnasal dilation of passageways in the ear, nose and throat