Safety syringe
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 20, 2005
Grant Date -
Apr 14, 2005
app pub date -
Oct 14, 2003
filing date -
Oct 14, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A safety syringe has a hollow barrel, a plunger, a connector, a plug and a needle hub. The plunger includes a socket to mount the connector. The connector has a needle connector protruded from the connector to connect with the needle hub. When the plunger is pushed toward the needle hub the first time, the needle hub of the connector is hidden in the socket and the plunger can not connect with the needle hub. When the plunger is pulled back and the syringe is full of medical solution, the needle hub of the connector protrudes from the socket. Pushing the plunger again toward the needle hub can connect the plunger and the needle hub together and the needle hub can retract back in the hollow barrel.
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