Patent ID: 6423076
Filing Date: 2002-07-23
Classification: A61B

Abstract:
A combination of a stereotactic apparatus and an imaging device for guiding a medical instrument from a selected entry point on a body of a patient to a selected target mass within the body of the patient, comprising:means for determining a horizontal angle between said entry point and said selected target mass; means for determining a vertical angle between said entry point and said selected target mass; a laser generating a guide beam and mounted to a horizontal protractor for rotation of said laser in a horizontal plane to align said laser with said horizontal angle; a vertical protractor; means for mounting said horizontal protractor to said vertical protractor for rotation in a vertical plane to align said laser with said vertical angle; means for translating said horizontal protractor in a horizontal plane for aligning said guide beam with said selected entry point; means for translating said vertical protractor in a vertical plane for aligning said guide beam with said selected entry point.