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System and method for interactive haptic positioning of a medical device

  • US 8,391,954 B2
  • Filed: 02/02/2010
  • Issued: 03/05/2013
  • Est. Priority Date: 03/06/2002
  • Status: Expired due to Term
First Claim
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1. A haptic surgical system, comprising:

  • a computer-aided surgery system;

    a haptic device coupled to a surgical instrument and said computer-aided surgery system; and

    a processor programmed to;

    define a virtual surface associated with target region of an anatomy of a patient;

    generate a haptic interaction wrench based at least in part on a current pose of said surgical instrument relative to the virtual surface to guide said surgical instrument; and

    dynamically enable and disable portions of the virtual surface to facilitate a transition from one portion of the virtual surface to another portion of the virtual surface.

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