Reagent package

Details Reagent package Reagent package

1997-12-05

2000-03-28

Alexander, Lyle A.

Chemistry: analytical and immunological testing

Automated chemical analysis

With conveyance of sample along a test line in a container...

422102, 422103, 206268, 220524, 22020308, 22020323, B01L 1100, B65D 326

Patent

active

060430974

ABSTRACT:
The reagent package includes a container housing section and a container lid that are sealed together to define one or more inside chambers. An opening in the container lid provides access to a corresponding chamber. The chamber opening is controlled by a valve that is pivotable from an open position to a closed position and vice versa. When the valve is in an open position the container chamber can be accessed through the valve with an aspiration probe and a dispensation probe. The reagent package accommodates a filter screen member and a glass ampoule in the container chamber. The glass ampoule contains one reagent ingredient, usually in a dry powder form and the space within the chamber outside the glass ampoule usually contains a reconstituting liquid ingredient. When the reagent package is ready for use a pressure force is imposed on the outside wall of the chamber adjacent the glass ampoule to crush the ampoule and permit the liquid ingredient within the chamber to mix with the powder ingredient released from the glass ampoule. The reagent package can be formed as a dual package with separate non communicable chambers that each contain different reagents. A locking clip member is secured to the reagent package to enhance the seal provided by the valves when the valves are in a valve closed position.

REFERENCES:
patent: 4455280 (1984-06-01), Shinohara et al.
patent: 4707450 (1987-11-01), Nason
patent: 4876068 (1989-10-01), Casteneda
patent: 5271897 (1993-12-01), Wurschum et al.
patent: 5289930 (1994-03-01), Inouye

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