Combined oxygen regulator and conservation device
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United States of America Patent
Stats
-
Aug 6, 2002
Grant Date -
N/A
app pub date -
Oct 19, 1999
filing date -
Oct 21, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A combination flow regulator and conservation device, for oxygen gas or oxygen concentrated gas, attachable to an oxygen tank or wall outlet of a master oxygen system and containing a gas regulator and a control circuit to control both the effective rate and timing of the flow of gas through the device, the control circuit selectively controlling the device to supply the gas to a user in one of at least three selectable modes of operation, the modes including (1) a continuous flow of gas, (2) an intermittent pulse of gas to be supplied on every inhalation stage of the breathing cycle of the user for a variable period of time during the inhalation stage, and (3) an intermittent pulse of gas to be supplied only during selectable inhalation stages of the breathing cycles of the user.
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