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Surgical navigation systems including reference and localization frames    

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United States Patent6236875   
Link to this pagehttp://www.wikipatents.com/6236875.html
Inventor(s)Bucholz; Richard D. (St. Louis, MO); Foley; Kevin T. (Memphis, TN); Smith; Kurt R. (Boulder, CO); Bass; Daniel (Moss Beach, CA); Wiedenmaier; Thomas (San Carlos, CA); Pope; Todd (San Francisco, CA); Wiedenmaier; Udo (San Mateo, CA)
AbstractA system for use during a medical or surgical procedure on a body. The system generates an image representing the position one or more body elements during the procedure using scans generated by a scanner prior or during the procedure. The image data set has reference points for each of the body elements, the reference points of a particular body element having a fixed spatial relation to the particular body element. The system includes an apparatus for identifying, during the procedure, the relative position of each of the reference points of each of the body elements to be displayed. The system also includes a processor for modifying the image data set according to the identified relative position of each of the reference points during the procedure, as identified by the identifying apparatus, said processor generating a displaced image data set representing the position of the body elements during the procedure. The system also includes a display utilizing the displaced image data set generated by the processor, illustrating the relative position of the body elements during the procedure. Methods relating to the system are also disclosed. Also disclosed are devices for use with a surgical navigation system having a sensor array which is in communication with the device to identify its position. The device may be a reference frame for attachment of a body part of the patient, such as a cranial reference arc frame for attachment to the head on a spine reference arc frame for attachment to the spine. The device may also be a localization frame for positioning an instrument relative to a body part, such as a localization biopsy guide frame for positioning a biopsy needle, a localization drill guide assembly for positioning a drill bit, a localization drill yoke assembly for positioning a drill, or a ventriculostomy probe for positioning a catheter.
   














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Inventor     Bucholz; Richard D. (St. Louis, MO); Foley; Kevin T. (Memphis, TN); Smith; Kurt R. (Boulder, CO); Bass; Daniel (Moss Beach, CA); Wiedenmaier; Thomas (San Carlos, CA); Pope; Todd (San Francisco, CA); Wiedenmaier; Udo (San Mateo, CA)
Owner/Assignee     Surgical Navigation Technologies (Broomfield, CO); St. Louis University (St Louis, MO)
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Publication Date     May 22, 2001
Application Number     08/809,404
PAIR File History     Application Data   Transaction History
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Litigation
Filing Date     July 23, 1997
US Classification     600/407 606/130
Int'l Classification     A61B 005/05
Examiner     Kamm; William E.
Assistant Examiner     Merlader; Eleni Mantis
Attorney/Law Firm     Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
Address
Parent Case     CROSS REFERENCE TO RELATED APPLICATIONS This application is a continuation-in-part of U.S. patent application Ser. No. 08/319,615, filed Oct. 7, 1994, which has been abandoned. This application claims priority to U.S. Provisional Patent Application Ser. No. 60/003,415, filed Sep. 8, 1995. In addition, the disclosure of U.S. patent application Ser. No. 08/524,981, issued as U.S. Pat. No. 5,871,445, is incorporated by reference herein in its entirety.
Priority Data    
USPTO Field of Search     600/407 600/410 600/414 600/415 600/417 600/425 600/426 600/429 600/437 606/130
Patent Tags     surgical navigation including reference localization frames
   
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