Patent · US Active

Filtration unit for the leucocytapheresis of the blood, comprising a relief-perforated nonwoven

US12370298B2 · kind B2 · utility

0Cited by
2References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 12, 2020
Grant dateJul 29, 2025
Priority date
Expiry dateOct 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.