Patent · US Expired

Biological indicator for sterilization processes

US4717661A · kind A · utility

54Cited by
9References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 21, 1986
Grant dateJan 5, 1988
Priority date
Expiry dateJan 21, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/81
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

The present invention is directed to sterility indicators of the self-contained biological type and provides a device that assures direct impingement of the sterilant onto the microproorganisms. In this manner, the sterilant exposure conditions experienced by the test organisms reflects the exposure conditions to which the articles in the sterilizer are subjected. The device of the invention provides that the microorganisms are not directly contiguous with the ampule containing the aqueous nutrient medium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.