Device for the administration of a liquid medicament suspension

Details Device for the administration of a liquid medicament suspension Device for the administration of a liquid medicament suspension

1998-02-03

2000-03-07

Coggins, Wynn Wood

Surgery

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

Treating material introduced into or removed from body...

604 92, 604903, 366130, 366274, A61M 3700

Patent

active

060333774

ABSTRACT:
In an ampoule for a medicament the space accommodating the medicament is defined by an ampoule wall (1) a pierceable seal (5) closing one end of the ampoule and a piston (7) closing the other end of the ampoule. A metal containing fixation element (8) is secured to one of the parts defining the medicament accommodating space. A mixing element (9, 10) also containing a metal and having a density larger than 1,0 g/cm.sup.3 is movable in medicament accommodating space. At least one of the elements, the fixation element (8) and the mixing element (9, 10), can be attracted by a magnet, and at least one of these elements is a magnetic element, the magnetic strength being so that the mixing element (9, 10) can during normal handling of the ampoule be fixed relative to this ampoule by the magnetic attraction between the fixation element (8) and the mixing element (9, 10) but may be released from its fixed position by manual operation.

REFERENCES:
patent: 4850966 (1989-07-01), Grau et al.
patent: 5352036 (1994-10-01), Haber et al.

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