Pre-filled retractable needle injection device
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United States of America Patent
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Mar 4, 2008
Grant Date -
Oct 23, 2003
app pub date -
May 27, 2003
filing date -
Aug 28, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A needle-bearing device for injecting medicinal fluid from a pre-filled vial is provided. After use, the needle is retracted into the body of the device to prevent inadvertent contact with the sharpened end of the needle. In one embodiment, the invention provides a manually actuable button that effectuates retraction of the needle after use. In another embodiment, retraction is effectuated automatically after the injection is complete.
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