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System and method for placing and determining an appropriately sized surgical implant

  • US 7,996,064 B2
  • Filed: 10/19/2009
  • Issued: 08/09/2011
  • Est. Priority Date: 03/23/1999
  • Status: Expired due to Term
First Claim
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1. A system for placing a surgical implant into a patient comprising:

  • a computer processor;

    an input system to input dimensions of the surgical implant;

    a tracking sensor for sensing three-dimensional position information of a surgical instrument to which the surgical implant is removably coupled, the tracking sensor transmitting the position information to the computer processor;

    a display in communication with the computer processor and operable to display an image;

    a memory in communication with the computer processor, the memory including computer instructions that when executed by the computer processor cause the computer processor to;

    overlay a graphical representation of the surgical implant on the image prior to moving the surgical implant into the patient to ensure appropriate dimensions of the surgical implant;

    generate an icon representing the surgical instrument and the mounted surgical implant; and

    overlay the icon on the image to represent the real-time position of at least one of the surgical instrument or the surgical implant relative to the image and the patient;

    generate a first and a second two-dimensional digitally reconstructed radiograph (DRR) image from a three-dimensional image of an anatomy of the patient;

    generate a two-dimensional representation of the appropriate size of the surgical implant for display relative to the first and the second digital reconstructed radiograph image; and

    wherein the overlay of the icon is used to determine an appropriately sized surgical implant based upon the two-dimensional representation relative to both the first and second digital reconstructed radiograph image.

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