Spirometer filter media and device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 4, 2000
Grant Date -
N/A
app pub date -
Apr 29, 1998
filing date -
May 2, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention is a spirometer mouthpiece assembly having a bag or sock filter medium. A support mechanism is incorporated into the assembly to prevent the filter medium from becoming dislodged during use. This not only protects the user of the spirometer, it also helps prevent contamination. The present invention consists of a spirometer mouthpiece having an interior conduit, a filter medium having an exterior and interior. The filter medium also has a rim portion and bag portion. Lastly, the device has a rigid support mechanism. The filter medium is attached to the interior conduit of the mouthpiece. The support mechanism may be attached to the filter medium or the interior conduit of the mouthpiece. If the support mechanism is attached to the mouthpiece, the filter medium is disposed adjacent the support mechanism.
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