Patent ID: 7918225

Claim:
A nasal air filtering device, comprising: a first tubular body comprising an anterior end and a posterior end, and defining a first passageway therethrough, and further comprising a first rim and a second rim, wherein prior to insertion in a nasal cavity the first rim and the second rim are disposed circumferentially about the first tubular body and extend radially outwardly therefrom in the posterior direction at an acute angle with respect to the first tubular body; a second tubular body comprising an anterior end and a posterior end, and defining a second passageway therethrough, and further comprising a third rim and a fourth rim, wherein prior to insertion in a nasal cavity the third rim and the fourth rim are disposed circumferentially about the second tubular body and extend radially outwardly therefrom in the posterior direction at an acute angle with respect to the second tubular body; a first filtering medium and a second filtering medium disposed within the first tubular body and the second tubular body respectively; and a connecting member coupled to the first tubular body and the second tubular body; wherein the first tubular body and the second tubular body are insertable by their respective anterior ends into associated nasal cavities with the rims being adapted to form a surface engagement with an interior of the nasal cavities; and wherein all rims of the first and second tubular bodies are longitudinally spaced from the posterior and anterior ends of their respective tubular bodies.