Automatic injection device with reset feature

Details Automatic injection device with reset feature Automatic injection device with reset feature

2005-05-31

2005-05-31

Chin, Christopher L. (Department: 1641)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S207000, C604S208000, C604S211000

Reexamination Certificate

active

06899699

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.

REFERENCES:
patent: 5104380 (1992-04-01), Holman et al.
patent: 5626566 (1997-05-01), Petersen et al.
patent: 5827232 (1998-10-01), Chanoch et al.

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