The present invention is directed to a closure system for an oral active agent delivery device. The device comprises an elongate tubular member having first and second ends. The closure system includes a deformable closure means adapted to allow delivery of the active agent upon deformation. The closure...http://www.google.com/patents/US6595951?utm_source=gb-gplus-sharePatent US6595951 - Closure system for an active agent delivert device
