Inhalation apparatus

Details Inhalation apparatus Inhalation apparatus

1998-08-14

2000-10-24

Weiss, John G.

Surgery

Respiratory method or device

Face mask covering a breathing passage

12820621, A61M 1606

Patent

active

061351091

ABSTRACT:
An inhalation mask assembly for administering a respirable gas to an individual, which individual includes a facial area having a respiratory organ for receiving respirable gas and for expelling exhaust gas, the exhaust gas having a moisture content, the inhalation mask assembly comprising a generally cup-shaped first body receivable against the facial area for substantially enclosing the respiratory organ, an inhalation assembly for communicating respirable gas to the first body, an exhalation valve assembly for conducting exhaust gas from the first body, a generally cup-shaped second body carried by the first body for receiving exhaust gas from the exhalation valve assembly, a substantially transparent region carried by the second body, the substantially transparent region having a surface adjacent the exhalation valve assembly for accumulating moisture from the exhaust gas, and an exhalation assembly for conducting exhaust gas from the second body.

REFERENCES:
patent: 4015598 (1977-04-01), Brown
patent: 4794921 (1989-01-01), Lindkvist
patent: 4807617 (1989-02-01), Nesti
patent: 5018519 (1991-05-01), Brown
patent: 5355878 (1994-10-01), Griffiths et al.
patent: 5676133 (1997-10-01), Hickle et al.
patent: 5937851 (1999-08-01), Serowski et al.

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