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:
Apr. 13, 2021

Filed:

Jan. 23, 2019
Applicant:

Chelak Iecg, Inc., Bellaire, TX (US);

Inventors:

Jie Cheng, Houston, TX (US);

Dhanunjaya Lakkireddy, Leawood, KS (US);

Assignee:

Chelak iECG, Inc., Bellaire, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01); A61B 5/0468 (2006.01); A61N 1/362 (2006.01); A61B 5/0538 (2021.01); A61B 5/055 (2006.01); A61B 6/03 (2006.01); A61B 5/04 (2006.01); A61N 1/39 (2006.01); A61B 18/14 (2006.01); A61B 5/042 (2006.01); A61B 5/0432 (2006.01); A61B 5/0464 (2006.01); A61B 5/046 (2006.01); A61B 18/00 (2006.01); A61N 1/372 (2006.01);
U.S. Cl.
CPC ...
A61B 5/0468 (2013.01); A61B 5/0036 (2018.08); A61B 5/0044 (2013.01); A61B 5/042 (2013.01); A61B 5/046 (2013.01); A61B 5/04011 (2013.01); A61B 5/0422 (2013.01); A61B 5/0432 (2013.01); A61B 5/0464 (2013.01); A61B 5/055 (2013.01); A61B 5/0538 (2013.01); A61B 5/686 (2013.01); A61B 5/6869 (2013.01); A61B 5/7235 (2013.01); A61B 5/7239 (2013.01); A61B 6/032 (2013.01); A61B 6/037 (2013.01); A61B 18/1492 (2013.01); A61N 1/362 (2013.01); A61N 1/3956 (2013.01); A61B 2018/00351 (2013.01); A61B 2018/00577 (2013.01); A61B 2018/00839 (2013.01); A61B 2505/05 (2013.01); A61N 1/37223 (2013.01); A61N 1/37235 (2013.01);
Abstract

Certain aspects of the present disclosure provide methods and apparatus for determining a precise localization of an arrhythmia origin or exit site in a heart of a subject using internal electrocardiograph (ECG) signals sensed and stored by an implantable device implanted in the subject. One example method of analyzing an arrhythmia in a subject generally includes reading, from an implantable device implanted in the subject, a plurality of internal ECG signals sensed and stored by the implantable device while the subject was experiencing an arrhythmia event (e.g., at any time, including while the subject was ambulatory); performing an analysis of the read internal ECG signals; and determining a localization of the arrhythmia associated with the arrhythmia event, based on the analysis.


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