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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12578330 B1

PDFFull Text
Date of Patent:
Mar. 17, 2026

Filed:

Jun. 18, 2021

Methods for determining the concentration of an analyte in the plasma fraction of a sample of whole blood

Applicant:

Gentian As, Moss, NO;

Inventors:

Erling Sundrehagen, Moss, NO;

Kathrin Sunde, Moss, NO;

Camilla Fant, Kullavik, SE;

Olov Wahlsten, Gothenburg, SE;

Clara Mathilde Hidden, Vestby, NO;

Assignee:

Gentian AS, Moss, NO;

Attorney:

Myers Bigel, P.A.

Primary Examiner:

Bao-Thuy L Nguyen

Assistant Examiner:

Christopher undefined Evans

Int. Cl.
CPC ...
A61B 5/1455 (2006.01); G01N 33/543 (2006.01); G01N 33/80 (2006.01); G16H 10/40 (2018.01);
U.S. Cl.
CPC ...
G01N 33/54388 (2021.08); G01N 33/80 (2013.01); G01N 2333/4727 (2013.01); G01N 2333/4737 (2013.01); G01N 2333/585 (2013.01); G01N 2333/8139 (2013.01);
Abstract

The precision of a lateral flow assay for determining the concentration of an analyte in the plasma fraction of a sample of whole blood can be significantly improved by applying an integrated step for determining the hematocrit of the optionally diluted sample, and taking both hematocrit and dilution factor into account when calculating the concentration of the analyte. This is made possible inter alia by using a predetermined wavelength when taking an image of the sample after application to a substrate in the lateral flow assay device, and wherein said wavelength is selected based on the dilution factor used. This hematocrit measurement is advantageously integrated in lateral flow assay methods and devices for the measurement of an analyte in plasma and contributes significantly to an improved precision of such assays.

Find Patent Forward Citations

Sundrehagen, Erling. (2026). Methods for determining the concentration of an analyte in the plasma fraction of a sample of whole blood (U.S. Patent No. 12578330). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12578330

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