Sterility indicator

Details Sterility indicator Sterility indicator

1989-09-28

1992-12-01

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 61, 436 1, 435 31, 435296, 206528, 206530, 206569, G01N 2190

Patent

active

051679230

ABSTRACT:
A sterility indicator of the type used in hospitals and laboratories. The device uses a cylindrical ampule holder with an ampule containing nutrient media and spore strip disposed therein. One or more gas pervious, liquid impervious tortuous paths lie between the interior and exterior of the ampule holder. Fracturing of the ampule is by the combination of a rotation and rotation prevention means with respect to the cylindrical axis.

REFERENCES:
patent: 3440144 (1969-04-01), Andersen
patent: 3661717 (1972-05-01), Nelson
patent: 4291122 (1981-09-01), Orelski
patent: 4304869 (1981-12-01), Dyke
patent: 4416984 (1983-11-01), Wheeler, Jr.
patent: 4461837 (1984-07-01), Karle et aL.
patent: 4528268 (1985-07-01), Andersen et al.
patent: 4579823 (1986-04-01), Ryder
patent: 4580682 (1986-04-01), Gorski et al.
patent: 4732850 (1988-03-01), Brown et al.
patent: 4741437 (1988-05-01), Gorski et al.
patent: 4883641 (1989-11-01), Wicks et al.

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