Syringe having a squeeze-fit plunger rod
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United States of America Patent
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-
Sep 1, 2015
Grant Date -
Apr 4, 2013
app pub date -
Sep 19, 2012
filing date -
Sep 30, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A syringe assembly having an exterior surface and defining a chamber having a stopper disposed therein is disclosed. The syringe assembly includes a plunger assembly having an elongated plunger rod and a handle portion connected thereto, the plunger rod including a depending leg and at least one hinge connecting the depending leg with the handle portion. The plunger rod is adapted to transition from a collapsed position, in which at least a portion of the depending leg extends along at least a portion of the exterior surface of a syringe barrel, to an extended position in which at least a portion of the depending leg engages the stopper. The at least one hinge maintains the depending leg substantially parallel to a longitudinal axis of the syringe barrel in both the collapsed position and the extended position.
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