Ultrafiltration control for hemodialysis
US4680122A · kind A · utility
55Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 10, 1983 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Sep 10, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/929
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
There is provided an improved system for controlling ultrafiltration in hemodialysis which is independent of the membrane used in the dialyzer. A load cell measures the instantaneous amounts of fluid in a reservoir which receives fluids from the dialyzer and feeds this information into an electronic controller which has been programmed for the desired ultrafiltration. The controller generates an error signal and controls a negative pressure control valve which, in turn, determines the rate and thus amount of ultrafiltration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.