Syringe with Sequentially Moving Plunger Flanges
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United States of America Patent
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Issued Date -
Jan 21, 2010
app pub date -
Apr 11, 2007
filing date -
Apr 12, 2006
priority date (Note) -
Abandoned
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Abstract
A syringe in which multiple sealing flanges are provided for sequential movement during use, to reduce sticking of the flange during use and the consequent jerking of the plunger stopper. In an embodiment longitudinally sequential flanges are linked by a flexible tube connection.
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