Apparatus for supplying gas to a patient
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United States of America Patent
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-
Apr 24, 1990
Issued Date -
N/A
app pub date -
Jun 12, 1989
filing date -
Aug 21, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for supplying oxygen or anesthetic gas through a mask (10) on the face of a patient and including a flexible gas reservoir bag (14) having a manually operated valve assembly (16) attached to an end of the bag (14) for controlling the internal fluid pressure in the bag (14). A predetermined gas supply (21) has a vent valve means (22) in its supply lines (17, 20) for diluting the predetermined gas with ambient air as desired.
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