Nebulizer with pressure sensor
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United States of America Patent
Stats
-
Feb 2, 1999
Grant Date -
N/A
app pub date -
Mar 24, 1997
filing date -
Mar 26, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nebulizer includes an arrangement for forming a mist from a liquid and an arrangement for delivering the mist to a patient. The delivery arrangement includes an air circulation passage having an air inlet and an outlet to the patient, between which the mist that is formed is taken up by a current of air, together with an outlet to the open air. The nebulizer also has an inlet check valve in the air inlet, an outlet check valve in the outlet to the open air and an arrangement for sensing the pressure in the conveyor means, together with an arrangement for delivering an indication or warning signal depending on the value of the signal supplied by the pressure sensing arrangement and for determining at least one indication or warning signal level threshold.
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