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System for indicating the position of a surgical probe within a head on an image of the head

  • US 6,374,135 B1
  • Filed: 12/09/1999
  • Issued: 04/16/2002
  • Est. Priority Date: 10/19/1990
  • Status: Expired due to Fees
First Claim
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1. A system for determining the position of a probe relative to a body of a patient, said system comprising:

  • a receiver configured to receive signals;

    a reference fixed in relation to the body, the reference in a line of sight with the receiver and capable of passing a signal representing the position of the reference to the receiver;

    a memory having stored images of the body, the images including reference images correlatable to the reference;

    a probe in a line of sight with the receiver and capable of passing a signal representing the position of the probe to the receiver;

    a processor in communication with the receiver and the memory, wherein the processor is configured to determine the position of the reference relative to the receiver, to determine the position of the probe relative to the reference and to determine the position of the probe relative to the body, and, in response to such determined positions, to translate the position of the probe relative to the body to the position of the probe relative to the body in the images of the body; and

    a display of the images of the translated position of the probe relative to the body.

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