SURGICAL NAVIGATION PLANNING SYSTEM AND METHOD FOR PLACEMENT OF PERCUTANEOUS INSTRUMENTATION AND IMPLANTS

• US 20080177203A1
• Filed: 12/29/2006
• Published: 07/24/2008
• Est. Priority Date: 12/22/2006
• Status: Abandoned Application

• Current Assignee: General Electric Company
• Original Assignee: General Electric Company
• Inventors: von Jako, Ronald A.
• Application Number:
  US11/617,861
• Publication Number:
  US 20080177203A1
• Time in Patent Office: Days
• US Class Current: 600/587
• CPC Class Codes: A61B 2034/102 Modelling of surgical devices, implants or prosthesis
• CPC Class Codes: A61B 2034/108 Computer aided selection or customisation of medical implants or cutting guides
• CPC Class Codes: A61B 2034/2051 Electromagnetic tracking systems
• CPC Class Codes: A61B 2090/061 for measuring dimensions, e.g. length
• CPC Class Codes: A61B 2090/365 augmented reality, i.e. correlating a live optical image with another image
• CPC Class Codes: A61B 34/20 Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
• CPC Class Codes: A61B 90/06 Measuring instruments not otherwise provided for
• CPC Class Codes: A61B 90/36 Image-producing devices or illumination devices not otherwise provided for

Abstract

A system and method for placement of at least one implant comprising an imaging system configured for taking at least one image of a patient; a navigation system configured for tracking position and orientation of at least one implant; a computer configured to measure and calculate the position and orientation of the at least one implant; and a display configured to display the at least one image of the patient and superimpose a graphical representation of the at least one implant with position and orientation information of the at least one implant on the at least one image of the patient.

Claims

1. A method for placement of an implant, said method comprising:

measuring a position of at least two implants;

calculating a distance between the position of the at least two implants; and

displaying the distance to a user.

2. The method of claim 1, further comprising measuring a height of the at least two implants.

3. The method of claim 1, further comprising measuring a sagittal plane of the at least two implants.

4. The method of claim 1, further comprising measuring an angle of the at least two implants.

5. The method of claim 1, further comprising measuring an orientation of the at least two implants.

6. The method of claim 1, further comprising fitting said positions of the at least two implants to a curve.

7. The method of claim 1, further comprising measuring the positional distance and angles of each instrument guide sleeve to the pedicle screw heads.

8. The method of claim 1, further comprising suggesting a connecting rod length based on the distance.

9. The method of claim 6, further comprising suggesting a curvature of a connecting rod based on the curve.

10. The method of claim 1, further comprising highlighting the distance on an image display.

11. The method of claim 1, further comprising storing the position and distance information for subsequent implant placement.

12. The method of claim 1, wherein the at least two implants are graphically rendered and overlaid on an image with trajectory information and distance information.

13. A system for placement of at least one implant, said system comprising:

an imaging system configured for taking at least one image of a patient;

a navigation system configured for tracking position and orientation of at least one implant;

a computer configured to measure and calculate the position and orientation of the at least one implant; and

a display configured to display the at least one image of the patient and superimpose a graphical representation of the at least one implant with position and orientation information of the at least one implant on the at least one image of the patient.

14. The system of claim 13, wherein the computer recommends an interconnection component characteristic based on the position and orientation information.

15. The system of claim 14, wherein said interconnection component characteristic comprises at least one of component length and component curvature.

16. The system of claim 13, wherein the computer stores position and orientation information of the at least one implant for subsequent implant placement.

17. The system of claim 13, wherein the display includes trajectory and distance information for subsequent implant placement.

18. The system of claim 13, wherein the computer receives tracking information for the at least one implant.

19. A computer-readable medium having a set of instructions for execution on a computer, said set of instructions comprising:

a tracking routine for measuring the position and orientation of at least one implant;

a measurement routine for measuring differences between the position and orientation of the at least one implant;

a calculation routine for calculating curves and trajectories for implant placement; and

a display routine for displaying an image of a patient and superimposing on the image a graphical representation of the at least one implant with position and orientation information, and curve and trajectory information.

20. A method for implant placement and measurement, said method comprising:

measuring the positions (x, y, z) of at least two implants; and

calculating a distance between the two positions of the at least two implants.

21. A method for implant placement and measurement, said method comprising:

measuring the positions (x, y, z) of three or more implants; and

calculating a best fit curve between the three or more positions of the three or more implants.

22. A method for implant placement and measurement, said method comprising:

measuring the positions (x, y, z) of at least two implants;

measuring the orientations (roll, pitch yaw) of the at least two implants; and

calculating a best fit curve between the at least two positions of the at least two implants and the at least two orientations of the at least two implants.