Plasmapheresis filter device and catheter assembly
US6899692B2 · kind B2 · utility
7Cited by
18References
48Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2001 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | May 19, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2313/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter device for being implanted in a blood vessel for carrying out in-vivo plasma separation comprises one or more elongated hollow tubes and a plurality of elongated hollow microporous fibers, each fiber having a first and second end secured to one or more of the elongated hollow tubes with the interior lumen of each of the fibers communicating with the interior of the one or more of the hollow tubes, and wherein the fiber wall has a higher mass density zone adjacent to the outer wall surface and a lower mass density zone adjacent to the inner wall surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.