Anesthetic syringe
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United States of America Patent
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Mar 22, 2016
Grant Date -
Oct 11, 2012
app pub date -
Apr 4, 2012
filing date -
Apr 5, 2011
priority date (Note) -
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Abstract
A syringe assembly for dispensing medicine from a cartridge having a diaphragm and a piston opposite the diaphragm. The assembly includes a barrel having a hollow interior, an open proximal end, a closed distal end, and an outlet. The assembly also includes a cartridge receiver slidably receivable in the hollow interior of the barrel. The receiver includes an interior space for receiving the cartridge, an access needle extending into the interior space for puncturing the diaphragm of the cartridge. The access needle directs fluid to the barrel outlet. The cartridge receiver includes a plunger rod movable into the interior space of the cartridge receiver for engaging the piston of the cartridge to selectively force medicine in the cartridge through the access needle.
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