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Automatic registration system for use with position tracking and imaging system for use in medical applications    

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United States Patent5873822   
Link to this pagehttp://www.wikipatents.com/5873822.html
Inventor(s)Ferre; Maurice R. (North Andover, MA); Jakab; Peter D. (Canton, MA); Tieman; James S. (Watertown, MA)
AbstractA system is disclosed for monitoring the position of a medical instrument with respect to a patient's body and for displaying at least one of a plurality of prerecorded images of said body responsive to the position of said medical instrument. In one embodiment the system includes a reference unit secured from movement with respect to the patient's body such that said reference unit is substantially immobile with respect to a target operation site. The system also includes a remote unit for attachment to the medical instrument. A field generator may be associated with one of the units for generating a position characteristic field in an area including the target operation site. One or more field sensors may be associated with either of the units responsive to the presence of the position characteristic field for producing one or more sensor output signals representative of said sensed field. A position detector in communication with the sensor output signal produces position data representative of the position of the remote unit with respect to the reference unit. An output display in communication with the position detector displays at least one of the prerecorded images responsive to the position data.
   














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Patent Text Patent PDF Print Page Summary File History
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Inventor     Ferre; Maurice R. (North Andover, MA); Jakab; Peter D. (Canton, MA); Tieman; James S. (Watertown, MA)
Owner/Assignee     Visualization Technology, Inc. (Wilmington, MA)
Patent assignment
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Publication Date     February 23, 1999
Application Number     08/637,289
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     April 24, 1996
US Classification     600/407 378/205 600/414 600/426 606/130
Int'l Classification     A61B 005/05
Examiner     Casler; Brian
Assistant Examiner    
Attorney/Law Firm     Samuels, Gauthier & Stevens
Address
Parent Case     This is a divisional of application Ser. No. 08/527,517 filed on Sep. 13, 1995, which is a continuation-in-part of Ser. No. 08/306,808 filed on Sep. 15, 1994.
Priority Data    
USPTO Field of Search     128/653.1 128/897 128/898 378/20 378/195 378/163 378/205 606/130 600/407 600/414 600/426
Patent Tags     automatic registration position tracking imaging medical applications
   
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