Syringe assembly with plunger having a secondary dispensing reservoir
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United States of America Patent
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-
Mar 27, 2012
Grant Date -
Dec 31, 2009
app pub date -
Jun 11, 2009
filing date -
Jun 30, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A syringe assembly is disclosed which includes a syringe body defining a first fluid reservoir and a fluid outlet. A plunger assembly includes a plunger rod and a plunger. The plunger is supported on a distal end of the plunger rod and defines a second fluid reservoir. The plunger is movable within the syringe body from a retracted position to an advanced position to eject fluid from the first fluid reservoir. A piercing member is supported on a distal end of the plunger rod within the second fluid reservoir. The piercing member is movable to pierce the plunger to eject fluid from the second fluid reservoir when a predetermined force is applied to the plunger in the advanced position.
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