Patent · US Expired

Filtering device

US4498990A · kind A · utility

25Cited by

9References

28Claims

0Family size

Assignee

GAMBRO LUNDIA AB · SE

Inventors

Stanley Shaldon · Montpellier, FR
Kjell H. I. Christopherson · Staffanstorp, SE
Thore Falkvall · Viken, SE
Ulf K. Mattisson · Skutskär, SE

Key dates

Filing date	Jul 19, 1982
Grant date	Feb 12, 1985
Priority date	—
Expiry date	Jul 19, 2002

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2313/18
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filtering device is disclosed which includes a pressure sensitive control valve to allow for overflow. The filtering device is particularly suitable for use in the medical treatment of blood, e.g., hemofiltration and plasmapheresis.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.