Automatic injection device with reset feature
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United States of America Patent
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May 31, 2005
Grant Date -
Aug 29, 2002
app pub date -
Jan 2, 2002
filing date -
Jan 5, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a dose setting and expelling device comprising a drive member and a dose setting mechanism which simultaneously sets a given dose and stores the energy necessary for a subsequently driving the drive member in order to expel a dose of medicine from an injection device. According to the invention the dose setting mechanism allows adjustment in both directions, such that a given set dose can be reduced or cancelled by reversing the input motion, typically by rotating a setting member backwardly, this in contrast to the known devices which either requires an additional release mechanism or which cannot be reversed at all.
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