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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.

Patent No.:

US 9144685 B1

PDFFull Text
Date of Patent:
Sep. 29, 2015

Filed:

Jan. 25, 2012

Using focal myocardial stimulation to distinguish supraventricular tachycardia from ventricular tachycardia

Applicants:

Yong-fu Xiao, Blaine, MN (US);

Jeffrey M. Gillberg, Coon Rapids, MN (US);

Paul J. Degroot, Shoreview, MN (US);

Eduardo N. Warman, Maple Grove, MN (US);

Scott J. Brabec, Elk River, MN (US);

John L. Sommer, Coon Rapids, MN (US);

Jon F. Urban, Minneapolis, MN (US);

Lepeng Zeng, Maple Grove, MN (US);

Inventors:

Yong-Fu Xiao, Blaine, MN (US);

Jeffrey M. Gillberg, Coon Rapids, MN (US);

Paul J. DeGroot, Shoreview, MN (US);

Eduardo N. Warman, Maple Grove, MN (US);

Scott J. Brabec, Elk River, MN (US);

John L. Sommer, Coon Rapids, MN (US);

Jon F. Urban, Minneapolis, MN (US);

Lepeng Zeng, Maple Grove, MN (US);

Assignee:

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

Attorney:

Michael C. Soldner

Primary Examiner:

Christopher D Koharski

Assistant Examiner:

Elizabeth K So

Int. Cl.
CPC ...
A61N 1/00 (2006.01); A61N 1/365 (2006.01); A61N 1/362 (2006.01);
U.S. Cl.
CPC ...
A61N 1/365 (2013.01); A61N 1/3622 (2013.01); A61N 1/36585 (2013.01);
Abstract

An apparatus and method to discriminate cardiac events by sensing atrial and ventricular depolarizations having associated refractory periods thereafter. A fast ventricular rate is detected in response to the sensed ventricular depolarizations. Responsive to detecting the fast ventricular rate, at least one stimulus pulse is delivered to atrial tissue within the associated refractory period of the ventricle but outside of an associated refractory period of the stimulated atrial tissue. A ventricular response to the atrial tissue stimulus pulse is determined, and the cardiac event is discriminated based on the ventricular response to the atrial tissue stimulus pulse.

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Xiao, Yong-Fu. (2015). Using focal myocardial stimulation to distinguish supraventricular tachycardia from ventricular tachycardia (U.S. Patent No. 9144685). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9144685

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