Patent · US Active

Assay device and method

US9606112B2 · kind B2 · utility

1Cited by

9References

7Claims

0Family size

Assignee

JOHNSON & JOHNSON AB · SE

Inventors

Per Ove Öhman · Uppsala, SE
Ib Mendel-Hartvig · Uppsala, SE

Key dates

Filing date	Oct 6, 2014
Grant date	Mar 28, 2017
Priority date	—
Expiry date	Feb 9, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/25
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

There is provided an assay device comprising a lid and a base, said base comprising, a sample addition zone, a reaction zone and an absorbing zone, said components being in fluid connection and being part of a fluid passage leading from the sample addition zone to the absorbing zone, wherein: (a) a sample addition well is integrated in the lid, (b) the absorbing zone consists of an area on an non-porous substrate, having substantially perpendicular projections, said projections defining a volume, which together with the volume of the fluid passage defines the sample volume subjected to the assay, and (c) at least one filter is between the sample addition well and the sample addition zone. There is further provided methods for handling samples.

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