Method of, and apparatus for, controlling medical navigation systems

• US 20060036163A1
• Filed: 07/19/2005
• Published: 02/16/2006
• Est. Priority Date: 07/19/2004
• Status: Abandoned Application

• Current Assignee: Stereotaxis, Inc.
• Original Assignee: Stereotaxis, Inc.
• Inventors: Viswanathan, Raju R.
• Application Number:
  US11/184,557
• Publication Number:
  US 20060036163A1
• Time in Patent Office: Days
• US Class Current: 600/424
• CPC Class Codes: A61B 2034/732 arranged around the patient, e.g. in a gantry
• CPC Class Codes: A61B 34/70 Manipulators specially adapted for use in surgery
• CPC Class Codes: A61B 34/73 Manipulators for magnetic surgery

Abstract

A method of operating a remote navigation system to that orients a medical device in a selected direction includes operating the remote navigation system to orient the medical device toward a point identified by the user on a two-dimensional map of a three-dimensional surface adjacent the medical device.

Claims

1. A method of operating a remote navigation system to that orients a medical device in a selected direction, the method comprising:

operating the remote navigation system to orient the medical device toward a point identified by the user on a two-dimensional map of a three-dimensional surface adjacent the medical device.

2. The method according to claim 1 wherein the two-dimensional map is a conformal map.

3. The method according to claim 1 wherein the two-dimensional map is a projection of a curved surface from a projection point proximal to the mapped three-dimensional surface to a projection plane distal to the mapped three dimensional surface.

4. The method according to claim 3 wherein the two-dimensional projection is made from a three-dimensional pre-procedure image of the operating region in the subject.

5. The method according to claim 3 wherein the two-dimensional projection is made from an idealized three dimensional image of the operating region.

6. The method according to claim 1 wherein the remote navigation system is a magnetic navigation system that applies a magnetic field to orient the medical device in the selected direction.

7. The method according to claim 1 wherein the medical device is an elongate medical device having a distal end, and wherein the remote navigation system orients at least the distal end of the device.

8. The method according to claim 7 wherein the remote navigation system is a magnetic navigation system that applies a magnetic field to orient the distal end of the medical device in the selected direction.

9. A method of operating a remote navigation system that automatically orients the distal end of an elongate medical device in a selected direction, the method comprising operating the remote navigation system to orient the medical device in a direction aligned with a point selected by the user on a three-dimensional surface adjacent the medical device by identifying the point on a two dimensional map of the surface.

10. A method of operating a navigation system that automatically orients a medical device in a selected direction, the method comprising:

accepting as an input of the selected direction, an indication of a point on a three-dimensional surface adjacent the medical device made by identifying a point on a two-dimensional map of the three dimensional surface; and

operating the navigation system to cause the medical device to orient in the selected direction.

11. A method of operating a remote navigation system that automatically orients a medical device in a selected direction, the method comprising:

accepting an input of a selected direction from a user by the user'"'"'s identification of a point on a two-dimensional map of a three-dimensional surface adjacent the medical device; and

controlling the remote navigation system to apply a magnetic field to align the medical device in the direction input by the user.

12. A method of operating a magnetic navigation system that automatically orients a medical device in a selected direction, the method comprising:

automatically operating the magnetic navigation system to apply a magnetic field to orient the medical device toward a point on a surface adjacent to the medical device selected by the user on a two dimensional map of the surface.

13. A method of operating a magnetic navigation system that applies a magnetic field to a magnetically responsive medical device in a cavity in an operating region in a subject'"'"'s body, the method comprising selecting a direction by indicating a point on a two-dimensional map of at least a portion of the surface of the cavity to apply a magnetic field in a direction to cause the magnetically responsive medical device to orient toward the selected point on the surface of the cavity.

14. A method of operating a magnetic navigation system that applies a magnetic field to a magnetically responsive medical device in a cavity in an operating region in a subject'"'"'s body, the method comprising indicating a direction by selecting a point on the surface of the cavity by indicating a point on a two-dimensional projection of the three-dimensional surface of the cavity to apply a magnetic field in a direction to cause the magnetically responsive medical device to orient toward the selected point on the cavity.

15. The method according to claim 14 wherein the two-dimensional projection is made from a three-dimensional pre-procedure image of the operating region in the subject.

16. The method according to claim 14 wherein the two-dimensional projection is made from an idealized three dimensional image of the operating region.

17. An interface for operating a remote navigation system to that orients a medical device in a selected direction, the interface comprising a display for displaying a two-dimensional map of a three-dimensional surface adjacent the medical device;

an input device for selecting a point on the two-dimensional map on the display;

a processor for determining a direction corresponding to the point selected with the input device.

18. The interface according to claim 17 wherein the two-dimensional map is a conformal map.

19. The interface according to claim 17 wherein the two dimensional map is a projection of a curved surface from a point proximal to the mapped three-dimensional surface onto a plane distal of the mapped three dimensional surface.

20. The interface according to claim 17 wherein the remote navigation system is a magnetic navigation system that applies a magnetic field to orient the medical device in the determined direction.

21. The interface according to claim 17 wherein the medical device is an elongate medical device having a distal end, and wherein the remote navigation system orients at least the distal end of the device.

22. The interface according to claim 21 wherein the remote navigation system is a magnetic navigation system that applies a magnetic field to orient the medical device in the selected direction.

23. An interface for operating a remote navigation system that automatically orients the distal end of an elongate medical device in a selected direction, the interface comprising a display displaying a two-dimensional map of a surface adjacent the medical device, an input device for selecting a point on the two dimensional map to indicate a direction.

24. An interface for operating a remote navigation system that automatically orients the distal end of an elongate medical device in a selected direction, the interface comprising a display displaying a two-dimensional map of a surface adjacent the medical device, an input device for selecting a point on the two dimensional map to indicate a direction;

and a controller for operating the remote navigation system to orient the distal end of the medical device in a direction aligned with a point on the surface corresponding to the point selected on the two dimensional map.

25. An interface for operating a remote navigation system that automatically orients a medical device in a selected direction, the interface comprising:

a two-dimensional map of the three dimensional surface;

an input device for inputting a selected direction by selecting a point on the two-dimensional map; and

a controller for controlling the remote navigation system to apply a magnet field to align the medical device in the direction of the point identified by the user.

26. An interface for operating a remote navigation system that automatically orients a medical device in a selected direction, the interface comprising:

a controller for operating the navigation system to apply a magnetic field to orient the medical device toward a point on the surface of a chamber selected on a two dimensional map of the surface.

27. A remote navigation system for operating a remote navigation system to orient a medical device in a selected direction, the system comprising:

a display of a two-dimensional map of a three-dimensional surface adjacent the medical device;

an input device for selecting a point on the two-dimensional map;

a positioning system for orienting the medical device toward a point identified with the input device on the two-dimensional map.

28. The remote navigation system according to claim 27 wherein the two-dimensional map is a conformal map.

29. The remote navigation system according to claim 27 wherein the two-dimensional map is a projection of a curved surface from a point proximal to the mapped three-dimensional surface to a plane distal to the mapped three-dimensional surface.

30. The remote navigation system according to claim 27 wherein the positioning system is a magnetic navigation system that applies a magnetic field to orient the medical device in the selected direction.

31. The remote navigation system according to claim 27 wherein the medical device is an elongate medical device having a distal end, and wherein the remote positioning system orients at least the distal end of the medical device.

32. The remote navigation system according to claim 31 wherein the remote positioning system is a magnetic navigation system that applies a magnetic field to orient the medical device in the selected direction.

33. A remote navigation system that automatically orients the distal end of an elongate medical device in a selected direction, the system comprising a display displaying a two-dimensional map of a surface adjacent to the medical device, and an input device for indicating a point on the two-dimensional display, and a controller to cause the remote navigation system to orient the medical device in a direction aligned with the point on the surface selected by the user on the two-dimensional map of the surface.

34. A remote navigation system that automatically orients a medical device in a selected direction the system comprising:

a display displaying a two-dimensional map of a three-dimensional surface adjacent the medical devices; and

input device for indicating a point on the two-dimensional map of the three dimensional surface; and

a controller causing the magnetic navigation system to align the medical device in the direction of the point on the three dimensional surface corresponding to the indicated point on the two-dimensional map.

35. A remote navigation system that automatically orients a medical device in a selected direction, the system comprising:

a display of a two-dimensional map of a surface adjacent the medical device, in input device for inputting a point on the two-dimensional map; and

a magnet system that applies a magnet field to align the medical device in the direction of the point on the surface corresponding to a point input on the two-dimensional map.

36. A remote navigation system that automatically orients a medical device in a selected direction, the system comprising:

a magnetic navigation system that automatically operating the navigation system to apply a magnetic field to orient the medical device toward a point on the surface of chamber selected by the user on a two dimensional map of the surface.

37. A magnetic navigation system that applies a magnetic field to a magnetically responsive medical device in a cavity in an operating region in a subject'"'"'s body, the system comprising a two-dimensional projection of at least a portion of the three-dimensional surface of the cavity;

a magnetic system that applies a magnetic field in a direction to cause the magnetically responsive medical device to orient toward the selected point on the three-dimensional surface corresponding to a point on the two-dimensional map selected by the user.

38. A magnetic navigation system that applies a magnetic field to a magnetically responsive medical device in a cavity in an operating region in a subject'"'"'s body, the system comprising a two-dimensional projection of the three-dimensional surface of the cavity;

a magnet system applying a magnetic field in a direction to cause the magnetically responsive medical device to orient toward a point on the cavity corresponding to a point selected on the two-dimensional projection.

39. The magnetic navigation system according to claim 38 wherein the two-dimensional projection is of a three-dimensional pre-procedure image of the cavity.

40. The magnetic navigation system according to claim 39 wherein the two-dimensional projection is of an idealized three-dimensional image of the cavity.