Injection device
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United States of America Patent
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-
Aug 21, 2001
Grant Date -
N/A
app pub date -
Jun 18, 1998
filing date -
Apr 2, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An injection device for injecting a preselectable dose of a liquid substance from an ampoule (2) with a stopper (12) located in an ampoule-holder (1) has a sleeve-shaped mechanism holder (3) mechanically linked to the stopper (12) and containing a sliding rod (4) which acts on the ampoule (2). The sliding rod (4) is surrounded by a sliding sleeve (5) mechanically coupled to the ampoule (2) and closed at its upper end by a lid (7). A dosing sleeve (13) is provided with a stepped member (13) arranged at the upper end of the mechanism holder (3) to preselect the dose of liquid substance to be injected. The dose to be administered can be adjusted by turning the dosing sleeve (6) provided with the stepped member (13).
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