Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1997-09-29
1999-08-17
Weiss, John G.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820222, A61M 1500
Patent
active
059378522
ABSTRACT:
This invention relates to an apparatus for inducing a pediatric patient to inhale a fluid pharmacological agent through a face mask. The apparatus comprises a fluid conduit through which fluid pharmacological agent may be inhaled, and a visual patient stimulator coupled to said conduit and accuatable by inspiratory or expiratory flow through said conduit. The visual stimulator of the present invention changes color in response to changing gas levels which occur during inspiration and expiration.
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Butler Bruce D.
Warters R. David
Anderson Charles W.
The Board of Regents of the University of Texas System
Weiss John G.
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