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. 04, 2018

Filed:

Dec. 12, 2016
Applicant:

Zoll Medical Corporation, Chelmsford, MA (US);

Inventors:

Binwei Weng, Andover, MA (US);

Ulrich Herken, Medford, MA (US);

Gary A. Freeman, Waltham, MA (US);

Assignee:

ZOLL Medical Corporation, Chelmsford, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/04 (2006.01); A61N 1/39 (2006.01); A61B 5/00 (2006.01); A61B 5/0408 (2006.01); A61B 5/044 (2006.01); G06F 19/00 (2018.01);
U.S. Cl.
CPC ...
A61B 5/04011 (2013.01); A61B 5/0006 (2013.01); A61B 5/044 (2013.01); A61B 5/04012 (2013.01); A61B 5/04085 (2013.01); A61B 5/7264 (2013.01); A61B 5/7275 (2013.01); A61N 1/39 (2013.01); A61N 1/3925 (2013.01); A61N 1/3987 (2013.01); G06F 19/00 (2013.01); A61B 2505/01 (2013.01); A61N 1/3956 (2013.01);
Abstract

A system for determining T wave bifurcation that includes three or more ECG leads configured to receive an ECG signal and a first computing device including a processor coupled to a memory, the processor and the memory configured to perform operations including: generating at least two orthogonal ECG vectors based on the ECG signal of a patient, processing the at least two orthogonal ECG vectors to determine a loop trajectory of at least a portion of the ECG signal, identifying a trajectory bifurcation by comparing the loop trajectory to a control loop trajectory for a plurality of cardiac cycles, and determining an indicator of a cardiac event based on the trajectory bifurcation.


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