Safety needle assembly
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United States of America Patent
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-
Jun 30, 2009
Grant Date -
Mar 24, 2005
app pub date -
Nov 1, 2004
filing date -
Nov 30, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a safety needle assembly for injecting a fluid into a human body comprising a cylindrical housing with a bottom surface supporting a needle cannula and a shield telescopically movable relative to the housing. A spring located within the housing urges the shield in a distal needle covering direction and a locking member also provided inside the housing moves simultaneously with the shield during injection and automatically locks the shield in a position where the sharp end of the needle cannula is concealed thereby irreversible immobilizing the safety needle assembly.
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