Localized magnetic field generator

  • US 10,722,140 B2
  • Filed: 07/01/2015
  • Issued: 07/28/2020
  • Est. Priority Date: 07/03/2014
  • Status: Active Grant
First Claim
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1. An apparatus for generating a magnetic field for tracking of an object, comprising the following:

  • a localized magnetic field generator that is configured to generate a magnetic field and to control the magnetic field in an area of interest and configured to control the magnetic field in a separate area that includes a magnetic field disrupting component, wherein;

    the separate area is displaced from the area of interest, andthe object is located in the area of interest; and

    the localized magnetic field generator includes a magnetic field shield disposed beneath a patient examination table, spaced apart from a bottom surface of the patient examination table, and a plurality of magnetic transmitting elements disposed on a first side of the magnetic field shield, the first side of the magnetic field shield facing the patient examination table, wherein the magnetic field shield is configured to be attached to the patient examination table.

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