Dual-stage hemodiafiltration cartridge
US6315895A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1999 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | Dec 30, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2313/44
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dual-stage hemodiafiltration cartridge is presented and includes a first hemodiafiltration stage including a first housing with first filtering elements disposed therein. The first housing has a blood inlet and a first dialysate outlet at one end and a first dialysate inlet at an opposite end. The cartridge further includes a second hemodiafiltration stage having a second housing with second filtering elements disposed therein. One end of the second housing has a blood outlet and a second dialysate inlet. An opposite end has a second dialysate outlet. An inter-stage connector is connected to one end of the first housing and to one end of the second housing and is adapted to allow flow of blood from a blood side of said first filtering elements to a blood-side of the second filtering elements and flow of dialysate fluid therethrough from the second stage to the first stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.