RETRONOSE: IMPROVING NASAL DELIVERY THROUGH NEW AND IMPROVED DEVICE

RetroNose is a completely new drug delivery concept to dispense drug formulation to the nasal cavity. The principle of this concept is to deliver a spray through the oral cavity to deposit the drug in the nasal cavity from rear to front. To avoid aerosol penetration in the lung and to ensure deposition efficacy, the aerosol drug is automatically delivered during the nasal expiratory phase.