Constant flow medication infusion pump
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United States of America Patent
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-
Aug 28, 2001
Grant Date -
N/A
app pub date -
Feb 19, 1999
filing date -
Feb 19, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A medication infusion pump includes a housing, a medication chamber defined within the housing, a medication delivery device in fluid communication with the medication chamber, a propellant chamber defined within the housing and adapted to apply a predetermined positive pressure to a medication in the medication chamber, and a non-ozone depleting, non-toxic propellant within the propellant chamber. The propellant preferably has a vapor pressure between about 11 psig and about 50 psig at 37.degree. C.
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