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LOCATION SYSTEM WITH VIRTUAL TOUCH SCREEN

  • US 20090221907A1
  • Filed: 02/29/2008
  • Published: 09/03/2009
  • Est. Priority Date: 02/29/2008
  • Status: Active Grant
First Claim
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1. Apparatus for invasive medical operations in the body of a living subject, comprising:

  • one or more field generating elements disposed at known locations for generating magnetic fields at respective frequencies;

    a medical instrument adapted for insertion into said body, and having a first magnetic position sensor coupled thereto that emits first signals responsively to said magnetic fields;

    an interface device having a second magnetic position sensor coupled thereto that emits second signals responsively to said magnetic fields;

    a position processor operative to receive said first signals and said second signals and to determine respective positions of said interface device and said medical instrument relative to said known locations, responsively to said first signals and said second signals; and

    a display device operative to display an image responsively to said position of said medical instrument, said display device having a cursor moveable thereon under control of said position processor responsively to changes in said position of said interface device.

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