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Optically coupled frameless stereotactic system and method

  • US 5,848,967 A
  • Filed: 06/07/1995
  • Issued: 12/15/1998
  • Est. Priority Date: 01/28/1991
  • Status: Expired due to Fees
First Claim
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1. A process for providing an instant graphics display including anatomy of a patient and showing indications of a surgical instrument and a microscope in relation to indications of internal and external anatomy of a patient, the process including the steps of:

  • indexing a patient'"'"'s anatomy, the surgical instrument and the microscope to define fiducial point locations;

    storing scanned image data taken of the patient representative of internal anatomy and indexed at said fiducial point locations;

    optically sensing a data field encompassing the patient'"'"'s anatomy, the surgical instrument and the microscope with a camera to provide representative camera data indexed at said fiducial point locations;

    correlating said scanned image data and said representative camera data based on said fiducial point locations to provide instant graphics display data; and

    driving a computer graphics display with said instant graphics display data to show indications of the surgical instrument and the microscope in relation to indications of internal and external anatomy of the patient.

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