A suctioning and irrigating sinus balloon catheter is provided for treating a patient's paranasal sinus system, including dilating prepared openings, and natural ostia and ducts and excising sinus cavities and choana. The catheter has a number of fluid carrying conduits to provide irrigation, suction...http://www.google.co.uk/patents/US8114113?utm_source=gb-gplus-sharePatent US8114113 - Multi-conduit balloon catheter
