Method of cleaning and sterilizing medical instruments
US7594971B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2004 |
| Grant date | Sep 29, 2009 |
| Priority date | — |
| Expiry date | Nov 19, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/20
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A novel method of cleaning and disinfecting organically contaminated articles such as, for instance, medical instruments, wherein the cleaning cycle consists of two sections divided by removal and replenishing the cleaning liquid, in each section of which the temperature of the cleaning liquid is raised to and maintained at between 40° C. and 60° C. for a predetermined time and the pH-value is raised to between 8.5 and 12 by adding an alkaline cleaning agent. During the second section a low-molecular peroxide compound is added to the cleaning liquid after the cleaning agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.