Filtration device with disposable cartridge

Details Filtration device with disposable cartridge Filtration device with disposable cartridge

B - Operations, Transporting

01

D

B01D 27/04 (2006.01) A62B 7/10 (2006.01) B01D 27/08 (2006.01)

Patent

CA 2508524

A filtration device is provided. Such filtration device is used to prevent the inhalation of unwanted particles while still allowing for the inhalation and exhalation of clean oxygen by the user. An interchangeable and disposable filtration insert, made of non-permeable polypropylene, permits airflow only through the end which contains a plurality of holes. Air may be transmitted only through the center of such insert, passing over filtration material to prevent passage of unwanted particles. A second chamber of polypropylene for receiving such interchangeable inserts also contains such filtration material. Clean air is then channelled into the breathing passage of the user from the receiving chamber and through a mouthpiece into which such chamber is placed, and the mouth is closed around the mouthpiece. Full inhalation and exhalation is possible by the user at all times.

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