Structure of safety hypodermic syringe
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United States of America Patent
Stats
-
Nov 19, 1996
Grant Date -
N/A
app pub date -
Oct 24, 1995
filing date -
Oct 24, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A safety hypodermic syringe in which the needle holder has an arrowhead-like rear retaining hole; the rubber stopper has an arrowhead-like retainer rod that can be forced into engagement with the retaining hole of the needle holder for permitting the needle holder with the needle cannula to be pulled backwards to the inside of the barrel by the plunger; the plunger can be disconnected from the rubber stopper and then inserted into the front end of the barrel to deform the needle cannula when the needle cannula is received on the inside of the barrel.
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