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Navigation system for cardiac therapies

  • US 8,401,616 B2
  • Filed: 09/23/2011
  • Issued: 03/19/2013
  • Est. Priority Date: 11/19/2002
  • Status: Expired due to Fees
First Claim
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1. A system for guiding an instrument through a region of a subject, comprising:

  • a non-imaging instrument configured to be moveable through the subject;

    a first tracking device connected near a distal end of the instrument;

    an ultrasound imaging system to generate an image of the subject;

    a second tracking device associated with the ultrasound imaging system;

    a tracking system to track the first tracking device within the subject and the second tracking device;

    an external imaging system configured to be external to the subject and of a different imaging modality than the ultrasound imaging system; and

    a display device, wherein an instrument image is generated based on the tracked location of the first tracking device, the second tracking device, and the generated image;

    wherein a second image generated with the external imaging system and the instrument image is registered to the subject and one another and displayed at one time on the display device.

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