Dialyzer reuse machine
US4517081A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 1983 |
| Grant date | May 14, 1985 |
| Priority date | — |
| Expiry date | Mar 4, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2321/168
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dialyzer reuse machine comprising means for passing a series of liquid and gaseous fluids through the dialysate and blood compartments of the dialyzer at different flow rates according to a predetermined sequence for cleaning and disinfecting the dialyzer and means for accurately measuring the volume of the blood compartment upon completion of the dialyzer cleaning steps. Capacitive probe and load cell embodiments of the volume measuring means are disclosed. A specially designed jet pump permits a pressure leak test and dilution of stock chemicals to be performed using only tap water pressure as a source of motive force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.