Patent · US Expired

Test device for analyzing a biological sample liquid

US8182747B2 · kind B2 · utility

7Cited by

14References

18Claims

0Family size

Assignee

Roche Diagnostics Operations, Inc. · US

Inventors

Michael Marquant · Mannheim, DE
Volker Unkrig · Ladenburg, DE
Fritz Hindelang · Eisenberg (Pfalz), DE

Key dates

Filing date	Jul 25, 2003
Grant date	May 22, 2012
Priority date	—
Expiry date	Mar 20, 2026

Classification

Technology area (CPC G)Physics
CPC primaryG01N33/49
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The invention concerns a test device for analyzing especially a biological sample liquid comprising a composite body consisting of a plurality of layers of flat materials and a sample channel located in the composite body for transporting the sample liquid from an application site to a measuring site. According to the invention it is proposed that the composite body has a plurality of transport layers arranged in a stack-like manner between support layers for holding in each case sample channel.

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