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System and method for displaying concurrent video and reconstructed surgical views

  • US 5,961,456 A
  • Filed: 03/28/1996
  • Issued: 10/05/1999
  • Est. Priority Date: 05/12/1993
  • Status: Expired due to Term
First Claim
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1. An extracorporeal surgical viewing system for displaying coordinated multiple images relating to a surgical opening in a patient'"'"'s body, said system comprising:

  • a source of stored scan data representative of a patient'"'"'s body, said stored scan data being provided in stereotactic space established relative to said patient'"'"'s body;

    a camera system for providing current video signals representative of a viewed subject;

    a stereotactic apparatus including means for mounting said camera system in a position to view into the depths of said surgical opening in a patient'"'"'s body and including means for stereotactically tracking the position of said camera system relative to said stereotactic space established with reference to said patient'"'"'s body, said stereotactic apparatus including means for releasable substantially rigid attachment to said patient'"'"'s body, whereby when said stereotactic apparatus is attached to said patient'"'"'s body and said camera system is mounted on said mounting means, said camera system will be in a known relationship to said stereotactic space used for said stored scan data;

    means for providing reference scan data signals from said stored scan data, said reference scan data signals being representative of the patient'"'"'s body at the location in said stereotactic space viewed by said camera system when mounted on said mounting means; and

    display apparatus coupled to receive said current video signals from said camera system and said reference scan data signals representative of the patient'"'"'s body at the location viewed by said camera system to provide a coordinated multiple image display.

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