The invention provides biodegradable implants for treating sinusitis. The biodegradable implants have a size, shape, density, viscosity, and/or mucoadhesiveness that prevents them from being substantially cleared by the mucociliary lining of the sinuses during the intended treatment period. The biodegradable...http://www.google.es/patents/US20090192489?utm_source=gb-gplus-sharePatente US20090192489 - SINUS DELIVERY OF SUSTAINED RELEASE THERAPEUTICS
Número de solicitud: 12/419,927 Número de publicación: US 2009/0192489 A1 Fecha de presentación: 7 Abr 2009 Patente emitida: US7662142 ( Fecha de emisión 16 Feb 2010)