| 摘要 |
An oxygen mask filter system for preventing the transmission of a disease from a patient to medical personnel. The oxygen mask filter system includes a face mask (20) having an interior surface and an exterior surface, a plurality of vent apertures (28), a disk member (27) movably attached to the exterior surface of the face mask about the vent apertures, and a filter member (40) attached to the interior surface of the face mask for filtering gases prior to expulsion from the interior of the face mask to the exterior through the vent apertures. |
