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

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United States Patent5871445   
Link to this pagehttp://www.wikipatents.com/5871445.html
Inventor(s)Bucholz; Richard D. (St. Louis, MO)
AbstractA system for determining a position of a probe relative to an object such as a head of a body of a patient. The head includes a surface such as a forehead having a contour. Cross sectional images of the head are scanned and stored as a function of the forehead contour. If the forehead contour does not appear in the scan images, then the position of the forehead contour relative to the scan images is determined with an optical scanner and a ring. During surgery, the optical scanner also determines the position of the forehead relative to the ring. An array for receiving radiation emitted from the probe and from the ring generates signals indicating the position of the tip of the probe relative to the ring. A stereotactic imaging system generates and displays an image of the head corresponding to the measured position of the tip of the probe. The system may also display scan images from different scanning technologies which scan images correspond to the same position in the head.
   














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Inventor     Bucholz; Richard D. (St. Louis, MO)
Owner/Assignee     St. Louis University (St. Louis, MO)
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Publication Date     February 16, 1999
Application Number     08/524,981
PAIR File History     Application Data   Transaction History
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Litigation
Filing Date     September 7, 1995
US Classification    
Int'l Classification    
Examiner     Lateer; Marvin M.
Assistant Examiner     Mercader; Eleni Mantis
Attorney/Law Firm     Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
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Parent Case     This is a continuation of application Ser. No. 08/053,076 filed on Apr. 26, 1993 now abandoned.
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Patent Tags     indicating position surgical probe within head on image head
   
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