Dose divider syringe
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United States of America Patent
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-
Jan 23, 2018
Issued Date -
N/A
app pub date -
Dec 8, 2014
filing date -
Jul 24, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A syringe includes a barrel having an internal surface defining an internal bore therein, and a plunger disposed within the internal bore of the barrel. A distal end of the plunger is inserted into a proximal end of the barrel. At least one radial projection is disposed on an external surface of the plunger, the at least one radial projection includes a proximal ramp and a distal ramp. The distal ramp includes a first point being a point of incipient contact with the internal surface of the barrel, and the at least one radial projection has a first slope relative to the longitudinal axis at the first point. The at least one radial projection has a second slope at a second point along the proximal ramp. An absolute value of the first slope is different from an absolute value of the second slope.
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