Patent · US Expired

Method and separating module for the separation of particles from a dispersion, in particular of blood corpuscles from blood

US7527740B2 · kind B2 · utility

1Cited by

6References

5Claims

0Family size

Assignee

Roche Diagnostics Operations, Inc. · US

Inventors

Carlo Effenhauser · Weinheim, DE
Gregor Ocvirk · Nierstein, DE
Wolfgang Fiedler · Hemsbach, DE

Key dates

Filing date	Sep 14, 2002
Grant date	May 5, 2009
Priority date	—
Expiry date	Feb 20, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/25375
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method for separating particles from a fluid dispersion, particularly for separating corpuscular components from biological samples, above all from blood. A separating module suitable for performing the method has a substrate with flow channels, comprising a feed channel for supplying the dispersion to a junction, a first drain channel for draining fluid having a reduced particle concentration away from the junction, and a second drain channel for draining fluid having an increased particle concentration away from the junction. The fluid flows so much faster in the second drain channel than in the first drain channel that due to the different flow speeds the dispersed particles preferentially flow at the junction further in the second drain channel.

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