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.

Date of Patent:
Oct. 27, 2026

Filed:

Dec. 20, 2022
Applicant:

Hemocue Ab, Angelholm, SE;

Inventors:

Johan Rahnboy, Angelholm, SE;

Joakim Pettersson, Angelholm, SE;

Tomas Jonasson Bjarang, Angelholm, SE;

Per Johansson, Angelholm, SE;

Assignee:

HemoCue AB, Ängelholm, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/07 (2006.01); G01N 1/40 (2006.01); G01N 21/31 (2006.01); G01N 33/49 (2006.01);
U.S. Cl.
CPC ...
G01N 21/07 (2013.01); G01N 1/4077 (2013.01); G01N 21/31 (2013.01); G01N 33/491 (2013.01); G01N 2001/4083 (2013.01); G01N 2201/062 (2013.01);
Abstract

Disclosed is a method for analyzing a blood sample. The method comprises arranging a cuvette comprising a sampling cavity and a sample analysis cavity on a rotatable member. The sampling cavity comprises a blood sample to be analyzed. The method comprises rotating the rotatable member at a first speed in a first rotation cycle for transfer of the blood sample from the sampling cavity to the sample analysis cavity. The method comprises rotating the rotatable member at a second speed in a second rotation cycle after the first rotation cycle for separating blood parts from plasma in the blood sample. The method comprises obtaining, using a photometer, during the second rotation cycle, second absorbance data indicative of absorbance in the plasma. The method comprises determining, based on the second absorbance data, a second blood parameter being a plasma free hemoglobin level of the blood sample. The method comprises providing an output indicative of the second blood parameter.


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Rahnboy, Johan. (2026). Method and analyzer for analyzing a blood sample (U.S. Patent No. 12774947). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12774947

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