MINNEAPOLIS--(BUSINESS WIRE)--Entellus Medical, a Minnesota-based medical technology company, today announced the launch of its PathAssist™ Light Seeker™ at the annual meeting of the American Academy of Otolaryngology-Head and Neck Surgery in San Francisco. The Light Seeker, which received clearance from the U.S. Food and Drug Administration in June 2011, enables ENT physicians to easily confirm correct entry to the frontal sinus recess and location of the frontal sinus, helping streamline procedures such as sinus irrigation and endoscopic sinus surgery.