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Optically coupled frameless stereotactic space probe

  • US 6,351,661 B1
  • Filed: 12/14/1998
  • Issued: 02/26/2002
  • Est. Priority Date: 01/28/1991
  • Status: Expired due to Fees
First Claim
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1. A surgical system, which comprises:

  • computer memory for storing and providing image data of a patient'"'"'s anatomy referenced in three-dimensional image data coordinates;

    a surgical device;

    an optical index element mountable in known relation to the surgical device;

    an optical sensor mechanism arranged to provide a field of view encompassing the patient'"'"'s anatomy and the surgical device and to detect the optical index element thereby providing location data, referenced in the image data coordinates, of the surgical device with respect to the image data of the patient'"'"'s anatomy; and

    a computer display for displaying a composite image representative of the image data and position of the surgical device in relation to the image data of the patient'"'"'s anatomy.

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