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:
Aug. 04, 2026

Filed:

Sep. 21, 2021
Applicants:

Drägerwerk Ag & Co. Kgaa, Lübeck, DE;

Karlsruher Institut Für Technologie, Karlsruhe, DE;

Inventors:

Birgit Stender, Lübeck, DE;

Michael Kircher, Lübeck, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/02 (2006.01); A61B 5/021 (2006.01); A61B 5/029 (2006.01);
U.S. Cl.
CPC ...
A61B 5/02007 (2013.01); A61B 5/02108 (2013.01); A61B 5/029 (2013.01);
Abstract

A medical device () determines a resistance parameter (), of a patient to be treated, indicating a peripheral vascular resistance. A reception module () is configured to receive a pulsatile signal (). The pulsatile signal indicates a blood pressure curve (), especially an arterial blood pressure curve, or a blood volume curve. A reading module () is connected to the reception module and is configured to read a number of predefined curve parameters () from the received pulsatile signal and to provide corresponding, read measured values () for the number of predefined curve parameters. A calculation module () is connected to the reading module and is configured to calculate the resistance parameter of the patient with the use of a predefined estimation function () based on the read measured values and on a predefined parameter () indicating the cardiac output of the patient and to output same.


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