Surgery – Diagnostic testing – Respiratory
Patent
1998-04-29
2000-01-04
O'Connor, Cary
Surgery
Diagnostic testing
Respiratory
600538, 12820529, 55378, 55379, 55381, 2104935, 2104973, B01D 2706, B01D 29085, B01D 4602, A61B 508, A61B 710
Patent
active
060104589
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.
REFERENCES:
patent: 4959045 (1990-09-01), Hartley et al.
patent: 5156661 (1992-10-01), Adiletta
patent: 5647370 (1997-07-01), Harnoncourt
patent: 5830119 (1998-11-01), Chen
Pro-Tec.TM. Barrier Filter for Pulmonary Function Testing; BC-PF30S Flyer; .COPYRGT.Copyright 1989, Pall Corporation.
Pro-Tec.TM. Barrier Filter for Pulmonary Function Testing; Pall Biomedical Products Corporation.
#3420 Pulmoguard PFT Filter; p. 6 of 6.
Natnithithadha Navin
O'Connor Cary
Porous Media Corporation
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