Injection device
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United States of America Patent
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-
Nov 6, 2012
Grant Date -
May 7, 2009
app pub date -
May 18, 2007
filing date -
May 19, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An injection device includes: a syringe 2 including a barrel 21 including a cylindrical barrel body 21a and a nozzle 21b provided at a front end of the barrel body so as to be communicated with the barrel body, a gasket 23 slidable in the barrel, and a plunger 24 connected with the gasket and capable of being placed into and removed from the barrel through a rear end opening of the barrel; a finger flange 25 provided in the vicinity of the rear end portion of the barrel body and molded integrally with or separately from the barrel body; and a holder 3 having an inner diameter that allows the barrel to be inserted in a bore of the holder, attached to the barrel, and including a spiral protrusion 31a formed on the inner surface of a portion of the holder disposed around the nozzle.
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