Face masks for use in pressurized drug delivery systems

A - Human Necessities – 62 – B

Patent

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A62B 18/02 (2006.01)

Patent

CA 2542722

Face masks for use in pressurized drug delivery applications, such as aerosol drug delivery systems, and a method of reducing aerosol deposition in the region of the eyes are presented. The face masks according to the various embodiments disclosed herein contain features that reduce the inertia of the aerosolized drug in perinasal areas. This results in a reduction in the amount of aerosolized drug that is deposited in the region of the eyes by inertial impaction, while at the same time, the features are constructed to maintain the flow of the aerosolized drug into the face mask so that the aerosolized drug is effectively delivered to the respiratory system of the patient.

L'invention porte sur des masques destinés à être utilisés dans des applications d'administration de médicaments sous pression telles que des systèmes d'administration de médicaments par aérosol, et sur un procédé de réduction des dépôts de l'aérosol dans la région des yeux. Les masques des différentes formes d'exécution de l'invention comportent des éléments qui réduisent l'inertie du médicament en aérosol dans les zones périnasales. Ce qui entraîne une réduction de la quantité de médicament en aérosol qui est déposé dans la région des yeux par impact d'inertie, et en même temps, les éléments sont conçus pour maintenir le flux du médicament en aérosol dans le masque de sorte que ce flux soit effectivement administré dans le système respiratoire du patient.

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