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Instrumented and actuated guidance fixture for sterotactic surgery    

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United States Patent6529765   
Link to this pagehttp://www.wikipatents.com/6529765.html
Inventor(s)Franck; Joel I. (Durham, ME); Haer; Frederick C. (Brunswick, ME); Franklin; Ronald J. (Bowdoinham, ME)
AbstractA method and apparatus for stereotactic surgery on a body, such as surgery on the brain or spine. A guidance fixture is used that includes a mounting base having a central axis, a controllable instrument drive for moving a surgical instrument along a constrained trajectory in response to a drive control signal, an actuated adjustment mechanism coupled between the mounting base and the controllable instrument drive, and a sensor system coupled to the adjustment mechanism. The mounting base of the guidance fixture is attached to the body and a location of the mounting base in a three-dimensional image of the body is determined, for example, using a remote sensing device, such as a camera, and tracking markers, such as LEDs, attached to the guidance fixture. Sensor signals encoding the orientation of the constrained trajectory and encoding a position of the surgical instrument along the constrained trajectory are generated and transmitted from the guidance fixture. An adjustment control signal is received and the orientation of the constrained trajectory relative to the mounting base is adjusted in response to the received adjustment control signal.
   














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Inventor     Franck; Joel I. (Durham, ME); Haer; Frederick C. (Brunswick, ME); Franklin; Ronald J. (Bowdoinham, ME)
Owner/Assignee     Neutar L.L.C. (Bowdoinham, ME)
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Publication Date     March 4, 2003
Application Number     09/317,794
PAIR File History     Application Data   Transaction History
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Litigation
Filing Date     May 24, 1999
US Classification     600/427 600/429 606/130
Int'l Classification     A61B  005/00
Examiner     Smith; Ruth S.
Assistant Examiner    
Attorney/Law Firm     Fish & Richardson P.C.
Address
Parent Case     RELATED APPLICATIONS This is a continuation-in-part application of U.S. application "INSTRUMENT GUIDANCE FOR STEREOTACTIC SURGERY," Ser. No. 09/063,658 filed Apr. 21, 1998, now abandoned, and a continuation-in-part of U.S. application "REMOVABLE FRAMES FOR STEREOTACTIC LOCALIZATION," Ser. No. 09/063,930 filed Apr. 21, 1998, which issued on Aug. 14, 2001 as U.S. Pat. No. 6,273,896, and also claims the benefit of U.S. Provisional application Ser. No. 60/096,384, filed Aug. 12 1998.
Priority Data    
USPTO Field of Search     600/427 600/429 600/411 600/417 600/426 600/414 606/130
Patent Tags     instrumented actuated guidance fixture sterotactic surgery
   
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