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:

Mar. 26, 2020
Applicant:

Analytics for Life Inc., Toronto, CA;

Inventors:

Mehdi Paak, Toronto, CA;

Timothy William Fawcett Burton, Toronto, CA;

Shyamlal Ramchandani, Kingston, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/024 (2006.01); A61B 5/00 (2006.01); A61B 5/0205 (2006.01); A61B 5/021 (2006.01); A61B 5/0245 (2006.01); A61B 5/1455 (2006.01); A61B 5/318 (2021.01);
U.S. Cl.
CPC ...
A61B 5/02433 (2013.01); A61B 5/0205 (2013.01); A61B 5/021 (2013.01); A61B 5/02405 (2013.01); A61B 5/02416 (2013.01); A61B 5/02427 (2013.01); A61B 5/0245 (2013.01); A61B 5/14551 (2013.01); A61B 5/318 (2021.01); A61B 5/4842 (2013.01); A61B 5/7239 (2013.01); A61B 5/7246 (2013.01); A61B 5/7264 (2013.01); A61B 5/7275 (2013.01);
Abstract

The exemplified methods and systems facilitate one or more dynamical analyses that can characterize and identify nonlinear dynamical properties (such as Lyapunov exponent (LE), correlation dimension, entropy (K2), or statistical and/or geometric properties derived from Poincaré maps, etc.) of biophysical signals such as photoplethysmographic signals and/or cardiac signals to predict presence and/or localization of a disease or condition, or indicator of one, including, for example, but not limited to, coronary artery disease, heart failure (including but not limited to elevated or abnormal left ventricular end-diastolic pressure disease) and pulmonary hypertension, among others.


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Paak, Mehdi. (2026). Method and system to assess disease using dynamical analysis of biophysical signals (U.S. Patent No. 12773118). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12773118

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