3m Innovative Properties Company

Other

Ruthann R Duda

Sailaja Chandrapati

Jeffrey C Pederson

Jeffrey D Smith

G Marco Bommarito

Timothy J Nies

Heather M Webb

Brian J Engel

Barry W Robole

Tonya D Bonilla

Francois Ahimou

Jodi L Connell

Assumpta A G Bennaars-Eiden

Timothy A Kohman

Kai Qiu

A microbial indicator device for liquid disinfection comprises a first cavity, a source of biological activity fluidically coupled to the first cavity via a portion of a first fluidic path, a filter membrane positioned in a second fluidic path for a disinfectant, and a first coupling portion fluidically coupled to the source of biologically activity via the second fluidic path. The filter membrane has a first side and a second side, wherein the first side is in fluid communication with the first fluidic path. The filter membrane has a pore size sufficient to retain at least a portion of the source of biological activity on the first side. The device further comprises a frangible container contained in the first cavity, wherein a liquid in the container is in fluid communication with the first cavity when the container is fractured.

Microbial indicator device for use with process monitoring systems

A composition for monitoring the efficacy of a decontamination process is provided, the composition comprising a cellulose polymer and a predetermined quantity of an adenine nucleotide. A monitoring device comprising a test element with the composition disposed thereon is also provided. The composition and/or monitoring device can be used in a method. The method includes exposing the monitoring device to a decontamination process and subsequently measuring the residual tracer analyte on the monitoring device.

Wash monitor composition, device, and method of use

A biological sterilization indicator (BI). The BI can include a housing, and a container positioned in the housing. The container can contain a liquid and at least a portion of the container can be frangible. The BI can further include a first chamber and a second chamber. The second chamber can include at least one source of biological activity. The BI can further include a substrate positioned in the housing between the first chamber and the second chamber. The substrate can be positioned in fluid communication with the first chamber and the second chamber, and the substrate can be further positioned such that the substrate is not in direct contact with the source of biological activity.

Biological sterilization indicator

A biological sterilization indicator (BI) and method of using same. The BI can include a housing, and a container positioned in the housing. The container can contain a liquid and at least a portion of the container can be frangible. The BI can further include a first chamber and a second chamber. The second chamber can include at least one source of biological activity. The BI can further include a first fluid path positioned to fluidly couple the first chamber and the second chamber, and a second fluid path positioned to allow displaced gas to move out of the second chamber. The method can include moving displaced gas out of the second chamber via the second fluid path as a sterilant is moved into the second chamber via the first fluid path and/or as the liquid is moved into the second chamber via the first fluid path.

Biological sterilization indicator and method of using same

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Eagan, MN, United States of America

Ruthann R Duda