×

Instrument guidance method and system for image guided surgery

  • US 7,217,276 B2
  • Filed: 10/15/2002
  • Issued: 05/15/2007
  • Est. Priority Date: 04/20/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. An image guided surgery system for use in image guided surgery, comprising:

  • an instrument guide unit operable to guide a surgical instrument into a body of a patient, said instrument guide unit including,an instrument guide operable to guide a surgical instrument into the body of the patient, said instrument guide including a first set of tracking elements,a base unit operable to be secured to the body in an area in which surgery is to occur, said base unit being coupled to said instrument guide and having a second set of tracking elements, andan adjustment mechanism operably connecting said base unit and said instrument guide as a unit that is operable to adjust said instrument guide relative to said base unit;

    a tracking device operable to track said first set of tracking elements associated with said instrument guide and said second set of tracking elements associated with said base unit;

    a computer system operable to determine a location of said base unit and an orientation of said instrument guide by use of said first and second sets of tracking elements; and

    a display operable to display representations of the area in which surgery is to occur and a trajectory line defined by an orientation of said instrument guide relative to said base unit.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×