Method and apparatus for supplying concentrate for use in medical treatments
US4783273A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1987 |
| Grant date | Nov 8, 1988 |
| Priority date | — |
| Expiry date | Dec 17, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/3462
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus for the supply of concentrate for use in medical treatment processes is disclosed, including a concentrate filter including a membrane, an inlet conduit for supplying concentrate to the inlet side of the concentrate filter during normal use and for supplying cleaning fluid to the inlet side of the concentrate filter during cleaning, an outlet conduit for withdrawing the filtered concentrate or a portion of the cleaning fluid from the outlet side of the concentrate filter, and a cleaning fluid withdrawal conduit connected to the inlet side of the concentrate filter and including a valve so that it can be closed during normal use of the concentrate filter and opened during cleaning of the concentrate filter in order to flush a portion of the cleaning fluid through the concentrate filter. Methods for supplying concentrate to be used for medical treatment purposes are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.