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:
May. 29, 2018

Filed:

Apr. 26, 2012
Applicants:

Troy A. Jenison, Minneapolis, MN (US);

Larry C. Mcclure, Forest Lake, MN (US);

Christopher C. Stancer, Prescott, WI (US);

Inventors:

Troy A. Jenison, Minneapolis, MN (US);

Larry C. McClure, Forest Lake, MN (US);

Christopher C. Stancer, Prescott, WI (US);

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61N 1/08 (2006.01); A61N 1/39 (2006.01); A61N 1/36 (2006.01); A61N 1/37 (2006.01); A61N 1/372 (2006.01); G01R 33/28 (2006.01);
U.S. Cl.
CPC ...
A61N 1/08 (2013.01); A61N 1/3718 (2013.01); A61N 1/36142 (2013.01); A61N 1/3706 (2013.01); A61N 1/37211 (2013.01); A61N 1/3956 (2013.01); G01R 33/288 (2013.01);
Abstract

A device includes a housing configured to be implanted in a patient. The device also includes a first magnetic field direction sensor located at a first location within the housing and configured to generate a signal representative of a first direction of a magnetic field at the first location, a second magnetic field direction sensor located at a second location within the housing and configured to generate a signal representative of a second direction of the magnetic field at the second location, and a magnetic field strength sensor configured to generate a signal representative of a strength of the magnetic field. The device further includes a control module configured to identify a source of the magnetic field based on at least one of the signal representative of the strength of the magnetic field and the signals representative of the first and second directions of the magnetic field.


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