Syringe with gravity-assisted valve
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United States of America Patent
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Sep 5, 2017
Grant Date -
Jul 28, 2016
app pub date -
Dec 18, 2015
filing date -
Mar 14, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Syringes for providing fluid communications are provided. The syringes include a connector body section having a tip portion and a gravity-assisted valve, and a barrel section. One or more syringes include a configuration of the gravity-assisted valve to allow bidirectional fluid communications between the tip portion and a fluid reservoir when the syringe is pointed downward. One or more syringes include a configuration of the gravity-assisted valve to prohibit fluid communication from the fluid reservoir to the tip portion when the syringe is pointed upward. One or more syringes include a gas pathway extending from an interstitial space of the connector body section to an interior volume of the plunger defining a gas reservoir.
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