Containers for liquid medicaments

Details Containers for liquid medicaments Containers for liquid medicaments

1996-05-23

1998-03-10

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604903, 366130, A61M 3700

Patent

active

057255008

ABSTRACT:
A container for a liquid medicament suspension, e.g. an insulin crystal suspension, has a tube with a sealing piston, a cap, and a mixing element which moves along the tube to assist mixing the suspension. The element is guided by the inner surface of the tube and has restricted lateral movement but is free to move axially, for example, by tilting or end to end inversion of the container. Flow passages such as apertures and peripheral recesses are provided in the mixing element which can serve to promote turbulent flow.
The containers are particularly suited for use as multi-dose cartridges for pen-like injection devices or for portable infusion devices which have piston-operating mechanisms to cooperate with the container piston.

REFERENCES:
patent: 4568335 (1986-02-01), Updike et al.
patent: 4850966 (1989-07-01), Grau et al.
patent: 5246670 (1993-09-01), Haber et al.
patent: 5352036 (1994-10-01), Haber et al.
patent: 5489266 (1996-02-01), Grimard
patent: 5603695 (1997-02-01), Erickson

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