Described here are devices, methods, and kits for treating sinusitis and related respiratory conditions by locally delivering active agents to the osteomeatal complex over a sustained period of time. The devices may be passively fixed within the osteomeatal complex and/or include one or more features...http://www.google.ca/patents/US20090017090?utm_source=gb-gplus-sharePatent US20090017090 - DEVICES AND METHODS FOR DELIVERING ACTIVE AGENTS TO THE OSTEOMEATAL COMPLEX
