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:
Dec. 12, 2023

Filed:

May. 28, 2021
Applicant:

Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v., Munich, DE;

Inventors:

Uwe Vogel, Dresden, DE;

Bernd Richter, Dresden, DE;

Torsten Richter, Dresden, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01);
U.S. Cl.
CPC ...
A61B 5/442 (2013.01); A61B 5/0053 (2013.01); A61B 5/0059 (2013.01); A61B 5/449 (2013.01); A61B 2560/04 (2013.01); A61B 2562/0233 (2013.01);
Abstract

A method for the objective determination of capillary refill behavior on a human body surface in which a spatially and spectrally resolved optical detection is carried out by at least one detector device () at a skin surface area () having a predefined areal size and outer contour. Subsequently a predefined pressure p constant over the skin surface area () is exerted over a predefined time t; and the pressure effect is ended after expiry of this time t. The spatially and spectrally resolved optical detection is carried out by the detector device () and the respective capillary refill behavior is spatially and temporally determined at a time tup to which at least one first threshold value of the measurement values detected simultaneously with spatial resolution has reached the measurement value that had been optically detected before the start of the pressure effect.


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