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:
Nov. 22, 2016

Filed:

Apr. 25, 2011
Applicants:

Wangcai Liao, Houston, TX (US);

Jicong Zhang, Gainsville, FL (US);

Inventors:

Wangcai Liao, Houston, TX (US);

Jicong Zhang, Gainsville, FL (US);

Assignee:

CYBERONICS, INC., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01); A61B 5/0245 (2006.01); A61B 5/024 (2006.01);
U.S. Cl.
CPC ...
A61B 5/7282 (2013.01); A61B 5/0245 (2013.01); A61B 5/4094 (2013.01); A61B 5/02405 (2013.01); A61B 5/02438 (2013.01);
Abstract

Methods and systems for characterizing a seizure event in a patient, including determining a time of beat sequence of the patient's heart, determining a first HR measure for a first window, determining a second HR measure for a second window, wherein at least a portion of the first window occurs after the second window, determining at least one HR parameter based upon said first HR measure and said second HR measure, identifying an onset of the seizure event in response to determining that at least one HR parameter crosses an onset threshold, identifying an end of the seizure event in response to determining that at least one HR parameter crosses an offset threshold.


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