St. Jude Medical International Holding S.a.r.l.

Charles B Byrd

Alon Izmirli

Adam C Fischbach

Eitan Oren

Guy Hevel

Adrian Herscovici

Scott Meyerson

Stavit Cohen

Roie Shlomovitz

Shay Levi

Alexander Gorovoy

Eric Betzler

Avinoam Romano

Nir Ben Dor

A method for detecting and correcting for magnetic field distortions within a magnetic field used for medical magnetic localization systems may include a first set of one or more signals is indicative of the magnetic field sensed by each of the sensor coils within the metal distortion detection fixture at a first time received from the metal distortion detection fixture. A first magnitude value of the combined signals is determined. A second set of one or more signals is indicative of the magnetic field sensed by each of the sensor coils at a second time is received and a second magnitude value of the combined signals is determined. A magnetic shift in the magnetic field between the first and second magnitude values is determined. The magnetic shift is compared to a threshold shift amount indicative of a magnetic distortion in the magnetic field.

Magnetic field distortion detection and correction in a magnetic localization system

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Oakdale, MN, United States of America

Charles B Byrd