Patent ID: 6644305
Filing Date: 2003-11-11
Classification: A61M

Abstract:
A nasal inhaler for introducing a substance to a nasal cavity of a user, said nasal inhaler comprising:a chamber having an interior and an exterior, wherein said chamber is made of a flexible material; an outlet comprising an exit passageway in flow communication with said interior of said chamber, said outlet shaped to be received in a nasal vestibule of the user; a one-way air inlet valve in one-way flow communication with said interior of said chamber at a first location spaced from said exit passageway, said one-way air inlet valve operative to permit said one-way flow of air from said exterior of said chamber into said interior of said chamber; and a dosage inlet passageway in flow communication with said interior of said chamber at a second location spaced from said exit passageway and from said first location.