Artificial kidney device
US4031008A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1975 |
| Grant date | Jun 21, 1977 |
| Priority date | — |
| Expiry date | Dec 22, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/929
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
In an artificial kidney device comprising a dialyzer for removing specified components from blood wherein an ultrafiltration pressure is applied to the dialyzer, an ultrafiltration pressure adjusting means is provided midway of a tube for transporting the blood passed through the dialyzer into a vein of a human being, which comprises a double walled tube consisting of an easily deformable inner tube communicating with the blood transporting tube and a rigid outer tube surrounding the inner tube to define a closed chamber therebetween, pressure applying means for applying pressure to the interior of the closed chamber and an air reservoir communicating with the closed chamber and provided with a partition means near an outlet to the closed chamber for harmetically dividing the air reservoir into two rooms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.