Device for mixing a pharmaceutical composition with an other age

Details Device for mixing a pharmaceutical composition with an other age Device for mixing a pharmaceutical composition with an other age

1997-11-14

1998-06-30

Buiz, Michael Powell

Surgery

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

Treating material introduced into or removed from body...

604 85, 604187, 604191, 604213, 604231, 604236, 604 89, A61M 3700

Patent

active

057726655

ABSTRACT:
Device for mixing a pharmaceutical composition stored in a chamber (44) in said device with an agent to be added shortly before administration to form a preparation to be adminstered. The device should be capable of being shaken without leaking. It comprises a hollow body (2) having an outlet (4) sealed by a removable closure (12) and a plunger (6), which is slidable therein in sealing contact with the inner wall of the hollow body (2). The plunger (6), the hollow body (2) and the removable closure (12) define said chamber (44). An actuating means (22) is connected to the plunger (6) for displacing the same in the hollow body (2). A filling conduit (19) for said agent is connected to the chamber (44). A check valve (30) is associated with the conduit (19) and the chamber (44), which prevents flow from the chamber (44) but permits flow into said chamber through said conduit (19). A process for preparing a pharmaceutical preparation and a method for administration of said preparation with the device are also disclosed.

REFERENCES:
patent: 4898580 (1990-02-01), Crowley
patent: 5067948 (1991-11-01), Haber et al.
patent: 5069670 (1991-12-01), Vetter et al.
patent: 5181918 (1993-01-01), Brandhorst et al.

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