Device for the dosed discharging of a liquid agent and infusion pump
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United States of America Patent
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app pub date -
Feb 25, 2005
filing date -
Aug 30, 2002
priority date (Note) -
Abandoned
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Abstract
A device for delivering a liquid agent in doses, the device including a receptacle for storing the liquid agent and a propulsion mechanism for advancing a piston toward an outlet of the receptacle in order to expel a dose of the agent, wherein the propulsion mechanism permanently acts on the piston with a propulsive force, and wherein the device further includes a mechanism for releasably blocking a piston advance. The invention encompasses embodiments in the form of an infusion pump adapted to include the device for delivering and a controller for controlling at least the mechanism for releasably blocking.
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