Calcium hydroxide multi-pack container and method of forming sam

Details Calcium hydroxide multi-pack container and method of forming sam Calcium hydroxide multi-pack container and method of forming sam

1998-08-04

1999-08-10

Sewell, Paul T.

Special receptacle or package

Including ancillary article contacting medium

For tool or appliance

206 635, 206369, 53173, A61C 504

Patent

active

059344601

ABSTRACT:
A calcium hydroxide unit-dose multi-package and method of forming the package that includes sealed chambers or compartments each containing a capsule having a connected needle forming a nozzle which is open at the discharge end. The capsule is pre-filled with a predetermined amount of calcium hydroxide formulation that is confined within the capsule by an end plug that functions as a piston to extrude the calcium hydroxide formulation from the capsule and directly to the tooth when used. Disposed within the sealed chamber or compartment containing the capsule, is a quantity of preservative liquid or distilled water saturated with calcium hydroxide to prevent dehydration or decomposition of the calcium hydroxide formulation in the capsule during shipping or storage. The multi-package with the capsule and liquid sealed therein can be sterilized by gamma radiation to ensure sterility of the calcium hydroxide and to prevent growth in the sealed container. The multi-packaged is formed as a tray having multiple chambers, each of which contains pre-loaded capsules and a quantity of preservative liquid whereby the respective chambers are sealed by an overlying cover sheet.

REFERENCES:
patent: 1280687 (1918-10-01), Dudley
patent: 1307249 (1919-06-01), Franklin
patent: 1378806 (1921-05-01), Ausubel
patent: 2558742 (1951-07-01), Ericsson et al.
patent: 2812231 (1957-11-01), Zar
patent: 4942966 (1990-07-01), Kemp
patent: 5240415 (1993-08-01), Haynie
patent: 5336088 (1994-08-01), Discko, Jr.
patent: 5752598 (1998-05-01), Zdarsky
patent: 5830547 (1998-11-01), MacKenzie et al.

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