Apparatus and methods for hygiene testing a medical device
US11191613B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2019 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | Aug 29, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2333/315
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided among other things is a sampling system for determining an amount or type of contamination a narrow, elongated passageway in a medical device, said sampling system comprising: (a) a fluid supply system that supplies to said passageway a sampling liquid for flowing through said passageway and a gas for flowing through said passageway; and (b) a receiving container that receives liquid from said passageway, wherein said sampling liquid is sterile, wherein said sampling liquid is configured to allow recovery of viable pathogens from the passageway, and wherein said sampling liquid comprises an amount and selection of surfactant effective to enhance the dislodgement of Enterococcus faecalis and Pseudomonas aeruginosa bacteria from the narrow passageways.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.