Chemistry: molecular biology and microbiology – Apparatus – Including measuring or testing
Patent
1997-04-08
1999-02-16
Saucier, Sandra E.
Chemistry: molecular biology and microbiology
Apparatus
Including measuring or testing
435 31, 422 28, C12M 134, C12Q 122, A61L 220
Patent
active
058720049
ABSTRACT:
A sterilization process is assessed using a test pack having a tube (16) for simulating the difficult to clean areas of instruments, such as lumens. The tube is disposed in a tray (10), and a biological indicator (30) is connected to a tube open end. Additional biological and chemical indicators (42, 24) are inserted in corresponding receiving wells or pockets (40, 22) of the tray. The test pack is covered with a porous wrapping (54) to simulate the challenge of wrapped instruments. The test pack is inserted in a sterilizer along with instruments to be sterilized. The biological indicator (30) will only register effective sterilization if sufficient sterilant flows through the length of the tube to the indicator.
REFERENCES:
patent: 5552320 (1996-09-01), Smith
patent: 5738824 (1998-04-01), Pfeifer
patent: 5750184 (1998-05-01), Imburgia
Spicher G. et al. What should be the length and inner diameter of a test piece for microbiological testing of formaldehyde gas sterilization procedure? Zentralblatt fur Bacteriologie, Microbiologie und Hygiene, vol. 179, No. 5, pp. 457-468, 1984.
Afremova Vera
Saucier Sandra E.
Steris Corporation
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