Two compartment syringe
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United States of America Patent
Stats
-
Feb 19, 1991
Grant Date -
N/A
app pub date -
Jun 15, 1988
filing date -
Jun 16, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a two compartment syringe having at least two by-passes which selectively allow an easy flow from one compartment to the other compartment. The liquid (injection fluid) is in the 'needle' compartment and the solid medicament is in the 'plunger' compartment. Associated with the plunger compartment is an aperture or other means for allowing the escape of fluids from that compartment during a lyophilization process.
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