Device for delivering medicament

Details Device for delivering medicament Device for delivering medicament

2005-01-31

2008-08-05

MacNeill, Elizabeth R (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

C604S085000, C604S089000, C604S211000

Reexamination Certificate

active

07407494

ABSTRACT:
A device for delivery of medicament includes a main housing, a container having at least two compartments, each containing a component of the medicament to be injected, and arranged to be connected to a patient delivery element, a longitudinally movable piston and a spring arrangement acting on the piston to exert a force on the components, a first holding element for holding the piston in a force-loaded state, and at least one activator for releasing the piston, a second holding element for stopping the piston when it has moved a certain first distance after one activation of the at least one activator and holding the piston in that position, wherein the force from the piston/spring arrangement and the movement causes the compartments to communicate with each other and the components to mix.

REFERENCES:
patent: 4689042 (1987-08-01), Sarnoff et al.
patent: 6793646 (2004-09-01), Giambattista et al.
patent: 2004/0210199 (2004-10-01), Atterbury et al.
patent: 2006/0173408 (2006-08-01), Wyrick

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