Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using microwave energy
Patent
1988-04-21
1991-05-28
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using microwave energy
219 1055E, 2504551, 422 28, 422 32, 422 33, 422294, 422299, A61L 212
Patent
active
050193449
ABSTRACT:
Method and apparatus for sterilizing articles such as dental handpieces include introducing the article and liquid sterilant solution into a collapsible pouch formed of vapor-impermeable sheet material, sealing the collapsible pouch to form a gas-tight assembly, and heating the gas-tight assembly to vaporize the liquid sterilant solution to produce an atmosphere of hot sterilant vapor. The liquid sterilant is introduced into the pouch in a quantity sufficient to create an overpressure when vaporized which is indicated by the collapsible pouch expanding to a distended condition. In one embodiment, the liquid sterilant solution is vaporized by irradiating the gas-tight assembly with microwave radiation in which case the article is sterilized under the combined effects of chemical vapor and microwave irradiation.
REFERENCES:
patent: 3261140 (1966-07-01), Long et al.
patent: 3490580 (1970-01-01), Brumfield et al.
patent: 3494726 (1970-02-01), Barasch
patent: 3551090 (1970-12-01), Brumfield et al.
patent: 3753651 (1973-08-01), Boucher
patent: 4400357 (1983-08-01), Hohmann
Kutner Barry S.
Latowicki Daniel A.
Flexiclave, Inc.
McMahon Timothy M.
Warden Robert J.
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