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. 03, 2015

Filed:

Mar. 16, 2007
Applicants:

Robert W. Stadler, Shoreview, MN (US);

Raja N. Ghanem, Edina, MN (US);

Xusheng Zhang, Shoreview, MN (US);

Inventors:

Robert W. Stadler, Shoreview, MN (US);

Raja N. Ghanem, Edina, MN (US);

Xusheng Zhang, Shoreview, MN (US);

Assignee:

Medtronic, Inc., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01); A61N 1/362 (2006.01); A61N 1/39 (2006.01); A61B 5/0464 (2006.01); A61B 5/0468 (2006.01); A61B 5/046 (2006.01); A61N 1/05 (2006.01);
U.S. Cl.
CPC ...
A61N 1/3925 (2013.01); A61B 5/0464 (2013.01); A61B 5/0468 (2013.01); A61B 5/7203 (2013.01); A61N 1/3621 (2013.01); A61N 1/3956 (2013.01); A61B 5/046 (2013.01); A61B 5/7239 (2013.01); A61N 1/05 (2013.01); Y10S 128/901 (2013.01); Y10S 128/902 (2013.01);
Abstract

A method and apparatus for detecting a cardiac event in a medical device that includes sensing cardiac signals from a plurality of electrodes, determining a relationship between a plurality of characteristics associated with a morphology of the cardiac signals sensed during a predetermined sensing window, generating a threshold in response to the determined relationship, comparing a first characteristic of the plurality of characteristics with the threshold, and determining whether the sensed cardiac signals are associated with the cardiac event in response to the comparing of the first characteristic.


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