Precision dispensing device of small volume from pre-filled syringes
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United States of America Patent
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May 17, 2016
Grant Date -
May 21, 2015
app pub date -
Nov 21, 2013
filing date -
Nov 21, 2013
priority date (Note) -
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Abstract
A dispenser for dispensing a predetermined amount of material from a prefilled syringe. The dispenser includes a dispenser body and a plunger. The dispenser body includes a syringe mounting region and a nozzle portion through which the material is dispensed. The nozzle portion has a syringe dispensing end receiving cavity configured to mate with the dispensing end of the syringe and an outlet. A fluid flow path fluidly communicates the syringe dispensing end receiving cavity with the outlet and includes a measuring cavity having a predetermined volume. The plunger is carried by the dispenser body. The plunger has a retracted state in which the plunger is retracted from the measuring cavity such that the outlet is in fluid communication with the syringe dispensing end receiving cavity. The plunger has a depressed state in which the plunger extends through the measuring cavity to evacuate material from the measuring cavity.
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