Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Apparatus for treating solid article or material with fluid...
Patent
1991-11-18
1993-05-11
Johnston, Jill A.
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Apparatus for treating solid article or material with fluid...
206219, 206538, 422102, 422294, A61L 218
Patent
active
052099091
ABSTRACT:
A front door (B) of a countertop decontamination unit is opened to gain access to a chamber (10) for receiving a cartridge (C) containing items to be sterilized and a chamber (12) for receiving a two compartment powdered anti-microbial agent carrying cup (D). The cup includes an outer cup portion (60) and an inner cup portion (70) that have peripheral walls (62, 72) affixed together at flanges (64, 74) and abutting base walls (66, 76). At least one of the base walls has a domed portion (68) constructed of plastic, whose plastic resiliency functions as a spring to urge the base walls continuously into engagement. The inner and outer cup portions peripheral walls define an annular chamber (86) therebetween. Preferably, the inner peripheral wall is generally conical to reinforce the outer cup base wall to prevent it from collapsing on impact with a cutting blade (14). The inner wall has a longitudinally elongated recess (80) which interacts with a filling aperture (84) surrounded by a flange portion (82). The longitudinal recess and filling aperture are configured such that a filling tube (92) is selectively insertable through the filling aperture and along the recess for filling the annular compartment with a powdered reagent. A permeable sheet (102) is affixed to the second cup portion flange for sealing both compartments.
REFERENCES:
patent: 2494456 (1950-01-01), Still
patent: 4171340 (1979-10-01), Nishimura et al.
patent: 4482047 (1984-11-01), Ackermann et al.
patent: 4483439 (1984-11-01), Steigerwald et al.
Kralovic Raymond C.
Scheckelhoff Kenneth E.
Siegel Norman L.
Johnston Jill A.
Steris Corporation
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