Method and article for providing an indication of the presence o

Details Method and article for providing an indication of the presence o Method and article for providing an indication of the presence o

1993-10-20

1995-12-26

Alexander, Lyle A.

Chemistry: analytical and immunological testing

Oxygen containing

422 26, 422 58, 422 61, 436138, G01N 3122

Patent

active

054787491

ABSTRACT:
A method and apparatus for evaluating the efficacy of prevacuum steam sterilizers by separating, collecting and detecting the presence of air in association with steam. A receptacle containing an adsorbent directly separates air from steam without changing the physical state of the steam. The apparatus has a portal communicating with the sterilizing environment and a defined path for the steam to traverse from the portal to a distal end of the apparatus. The distal end of the apparatus is attached to an air collection chamber which contains an air indicator. The indicator can be chemical or biological, and indicated whether any air pockets existed in the steam.

REFERENCES:
patent: 2844026 (1958-07-01), Wischmeyer et al.
patent: 3479131 (1969-11-01), Scoffield et al.
patent: 3967494 (1976-07-01), Joslyn
patent: 4115068 (1978-09-01), Joslyn
patent: 4594223 (1986-06-01), Dyke et al.
"Union Carbide Molecular Sieves", publication F-1979F, Sep. 1983 3M, Lithographed in USA.

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