The invention includes methods, kits, compositions, and apparatus for intranasal administration of a compound such as a pharmaceutically active agent in a targeted manner. Such compounds can be delivered preferentially to a component of the central nervous system (CNS) such as the brain, the spinal cord,...http://www.google.es/patents/US20050281751?utm_source=gb-gplus-sharePatente US20050281751 - Directed intranasal administration of pharmaceutical agents
Directed intranasal administration of pharmaceutical agents
