Patent · US Active

Sterilant challenge device

US9687578B2 · kind B2 · utility

4Cited by

5References

28Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Knut Schumacher · Neuss, DE
Robbert-Jan Hermsen · Hoorn, NL
Anton Kuepper · Kaarst, DE

Key dates

Filing date	Sep 18, 2013
Grant date	Jun 27, 2017
Priority date	—
Expiry date	Dec 19, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG01N25/60
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Sterilant challenge device for use in steam sterilizers are described, including devices suitable for determining the efficacy of the non-condensable gas removal stage of a sterilization cycle and/or the quality of steam sterilant in relation to its content of non-condensable gas(es) are disclosed. Sterilant challenge devices having a metal tube having a defining a free space which is open at one end for the entry of sterilant and closed at the other end and at least one thermal load located around the tube are also described.

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