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:

Jul. 05, 2017
Applicant:

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

Inventors:

Melissa G. T. Christie, Andover, MN (US);

Ronald A. Drake, St. Louis Park, MN (US);

Bushan Purushothaman, Plymouth, MN (US);

Andrzej M. Malewicz, Minneapolis, MN (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N 1/05 (2006.01); A61N 1/362 (2006.01); A61N 1/08 (2006.01); A61N 1/39 (2006.01);
U.S. Cl.
CPC ...
A61N 1/08 (2013.01); A61N 1/05 (2013.01); A61N 1/3956 (2013.01); A61N 1/3987 (2013.01);
Abstract

In some examples, a medical device system includes an electrode. The medical device system may include impedance measurement circuitry coupled to the electrode, the impedance measurement circuitry may be configured to generate an impedance signal indicating impedance proximate to the electrode. The medical device system may include processing circuitry that may be configured to identify a first frequency component and a second frequency component of the impedance signal, and provide an indication of a location of the electrode in a patient based on the first frequency component and the second frequency component.


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