Filtration unit for the leucocytapheresis of the blood, comprising a relief-perforated nonwoven
US12370298B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 12, 2020 |
| Grant date | Jul 29, 2025 |
| Priority date | — |
| Expiry date | Oct 6, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2239/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a filtration unit for the leucocytapheresis of the blood or of a blood product. The filtration unit has an external pouch with at least one inlet orifice and with at least one outlet orifice. the external pouch contains a porous element interposed between the orifices. The porous element has at least one leucocytapheresis medium that works by adsorbing and/or by filtering out the leucocytes, and at least one nonwoven layer provided with bumps, each of the bumps having a perforation passing through it in the heightwise direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.