Injection needle
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United States of America Patent
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Sep 14, 1999
Grant Date -
N/A
app pub date -
Apr 24, 1997
filing date -
Apr 24, 1996
priority date (Note) -
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status (Latency Note)
Importance
Abstract
The present invention relates to a needle mounted in a needle hub fitting onto an injection device from which preset doses of a medicine from a cartridge accommodated in the device is administered through the needle comprises a back needle penetrating a closure membrane of the cartridge and a free injection part shorter than 9 mm, the outer diameter of the needle and the diameter of its bore complying with one of the conditions: a) the outer diameter is smaller than 0.320 mm and the diameter of the bore is larger than 0.165 mm, or b) the outer diameter is smaller than 0.298 mm and the diameter of the bore is larger than 0.133 mm.
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