Propelling device for a piston in a container containing a liquid medicament
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United States of America Patent
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Jun 27, 2006
Grant Date -
N/A
app pub date -
Apr 22, 1998
filing date -
Apr 23, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for administering a substance, including a housing, a piston, a container and a propelling device, the propelling device including a base element, a first shifting stage shiftable relative to the base element, and a second shifting stage shiftable relative to the base element and to the first shifting stage and slaving the first shifting stage, wherein the propelling device, container and piston are operably coupled to the housing and the first shifting stage is in contact with the piston.
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